How to find the perimeter of an acute / obtuse triangle - SSAT Upper Level Quantitative
Card 1 of 56
The side lengths of a triangle are
. Find the perimeter of the triangle.
The side lengths of a triangle are . Find the perimeter of the triangle.
Tap to reveal answer
To find the perimeter of a triangle, add up its side lengths.

To find the perimeter of a triangle, add up its side lengths.
← Didn't Know|Knew It →
The side lengths of a triangle, in inches, are
. Find the perimeter of this triangle.
The side lengths of a triangle, in inches, are . Find the perimeter of this triangle.
Tap to reveal answer
Find the perimeter of a triangle by adding up all its sides.

Find the perimeter of a triangle by adding up all its sides.
← Didn't Know|Knew It →
A triangle has side lengths
,
, and
. What is the perimeter of this triangle?
A triangle has side lengths ,
, and
. What is the perimeter of this triangle?
Tap to reveal answer
To find the perimeter of a triangle, add up all the side lengths.

To find the perimeter of a triangle, add up all the side lengths.
← Didn't Know|Knew It →
Bill has a triangular garden that he needs to fence. The garden has side lengths of
. In feet, how much fencing will Bill need?
Bill has a triangular garden that he needs to fence. The garden has side lengths of . In feet, how much fencing will Bill need?
Tap to reveal answer
To find how much fencing Bill needs, you will need to find the perimeter of the triangle. The perimeter of a triangle is found by adding up all the sides together.

To find how much fencing Bill needs, you will need to find the perimeter of the triangle. The perimeter of a triangle is found by adding up all the sides together.
← Didn't Know|Knew It →
In terms of
, find the perimeter of a triangle with side lengths of
.
In terms of , find the perimeter of a triangle with side lengths of
.
Tap to reveal answer
To find the perimeter of a triangle, add up all of its sides.

To find the perimeter of a triangle, add up all of its sides.
← Didn't Know|Knew It →
In terms of
, find the perimeter of a triangle with side lengths
.
In terms of , find the perimeter of a triangle with side lengths
.
Tap to reveal answer
To find the perimeter of a triangle, add up all of its sides.

To find the perimeter of a triangle, add up all of its sides.
← Didn't Know|Knew It →
In terms of
, find the perimeter of a triangle with side lengths of
.
In terms of , find the perimeter of a triangle with side lengths of
.
Tap to reveal answer
To find the perimeter of a triangle, add up all of its sides.

To find the perimeter of a triangle, add up all of its sides.
← Didn't Know|Knew It →
In terms of
, find the perimeter of a triangle with side lengths of
.
In terms of , find the perimeter of a triangle with side lengths of
.
Tap to reveal answer
To find the perimeter of a triangle, add up all of its sides.

To find the perimeter of a triangle, add up all of its sides.
← Didn't Know|Knew It →
Find the perimeter of a triangle with side lengths of
.
Find the perimeter of a triangle with side lengths of .
Tap to reveal answer
To find the perimeter of a triangle, add up all of its sides.

To find the perimeter of a triangle, add up all of its sides.
← Didn't Know|Knew It →
Find the perimeter of a triangle with side lengths
.
Find the perimeter of a triangle with side lengths .
Tap to reveal answer
To find the perimeter of a triangle, add up all of its sides.

To find the perimeter of a triangle, add up all of its sides.
← Didn't Know|Knew It →
Find the perimeter of the triangle below:

Find the perimeter of the triangle below:

Tap to reveal answer
First, find the length of the missing side.
Since the angle measurements in the base of the triangle are the same, this is an isosceles triangle. The side lengths directly across from the equal angles must be the same. Thus, the missing side length is
.
Now, to find the perimeter, add up all the side lengths.

First, find the length of the missing side.
Since the angle measurements in the base of the triangle are the same, this is an isosceles triangle. The side lengths directly across from the equal angles must be the same. Thus, the missing side length is .
Now, to find the perimeter, add up all the side lengths.
← Didn't Know|Knew It →
Find the perimeter of the triangle below:

Find the perimeter of the triangle below:

Tap to reveal answer
First, find the length of the missing side.
Since the angle measurements in the base of the triangle are the same, this is an isosceles triangle. The side lengths directly across from the equal angles must be the same. Thus, the missing side length is
.
Now, to find the perimeter, add up all the side lengths.

First, find the length of the missing side.
Since the angle measurements in the base of the triangle are the same, this is an isosceles triangle. The side lengths directly across from the equal angles must be the same. Thus, the missing side length is .
Now, to find the perimeter, add up all the side lengths.
← Didn't Know|Knew It →
Find the perimeter of the triangle below:

Find the perimeter of the triangle below:

Tap to reveal answer
First, find the length of the missing side.
Since there are two angles that are the same, this is an isosceles triangle. The side lengths directly across from the equal angles must be the same. Thus, the missing side length is
.
Now, to find the perimeter, add up all the side lengths.

First, find the length of the missing side.
Since there are two angles that are the same, this is an isosceles triangle. The side lengths directly across from the equal angles must be the same. Thus, the missing side length is .
Now, to find the perimeter, add up all the side lengths.
← Didn't Know|Knew It →
Find the perimeter of the triangle below:

Find the perimeter of the triangle below:

Tap to reveal answer
First, find the length of the missing side.
Since there are two angles that are the same, this is an isosceles triangle. The side lengths directly across from the equal angles must be the same. Thus, the missing side length is
.
Now, to find the perimeter, add up all the side lengths.

First, find the length of the missing side.
Since there are two angles that are the same, this is an isosceles triangle. The side lengths directly across from the equal angles must be the same. Thus, the missing side length is .
Now, to find the perimeter, add up all the side lengths.
← Didn't Know|Knew It →
The side lengths of a triangle are
. Find the perimeter of the triangle.
The side lengths of a triangle are . Find the perimeter of the triangle.
Tap to reveal answer
To find the perimeter of a triangle, add up its side lengths.

To find the perimeter of a triangle, add up its side lengths.
← Didn't Know|Knew It →
The side lengths of a triangle, in inches, are
. Find the perimeter of this triangle.
The side lengths of a triangle, in inches, are . Find the perimeter of this triangle.
Tap to reveal answer
Find the perimeter of a triangle by adding up all its sides.

Find the perimeter of a triangle by adding up all its sides.
← Didn't Know|Knew It →
A triangle has side lengths
,
, and
. What is the perimeter of this triangle?
A triangle has side lengths ,
, and
. What is the perimeter of this triangle?
Tap to reveal answer
To find the perimeter of a triangle, add up all the side lengths.

To find the perimeter of a triangle, add up all the side lengths.
← Didn't Know|Knew It →
Bill has a triangular garden that he needs to fence. The garden has side lengths of
. In feet, how much fencing will Bill need?
Bill has a triangular garden that he needs to fence. The garden has side lengths of . In feet, how much fencing will Bill need?
Tap to reveal answer
To find how much fencing Bill needs, you will need to find the perimeter of the triangle. The perimeter of a triangle is found by adding up all the sides together.

To find how much fencing Bill needs, you will need to find the perimeter of the triangle. The perimeter of a triangle is found by adding up all the sides together.
← Didn't Know|Knew It →
In terms of
, find the perimeter of a triangle with side lengths of
.
In terms of , find the perimeter of a triangle with side lengths of
.
Tap to reveal answer
To find the perimeter of a triangle, add up all of its sides.

To find the perimeter of a triangle, add up all of its sides.
← Didn't Know|Knew It →
In terms of
, find the perimeter of a triangle with side lengths
.
In terms of , find the perimeter of a triangle with side lengths
.
Tap to reveal answer
To find the perimeter of a triangle, add up all of its sides.

To find the perimeter of a triangle, add up all of its sides.
← Didn't Know|Knew It →