High School Math : Geometry

Study concepts, example questions & explanations for High School Math

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Example Questions

Example Question #51 : Geometry

What is the circumference of a circle with a radius of ?

Possible Answers:

Correct answer:

Explanation:

The formula for the circumference of a circle is .

Plug in our given values and solve.

Example Question #52 : Geometry

What is the circumference of a circle with a radius of ?

Possible Answers:

Correct answer:

Explanation:

To find the circumference of a circle, use the equation:

Substitute the given value for the radius into the equation:

Example Question #53 : Geometry

An ant is standing at the center of a perfectly circular plate. If the ant crawled in a straight line, he would have to crawl 6 inches to reach the edge of the plate. How many inches would he crawl if he crawled a full circle around the edge of the plate?

Possible Answers:

Correct answer:

Explanation:

We need to find the circumference:

In this formula  stands for the radius and  stands for the diameter. 

The distance the ant must crawl to the edge from the center is the radius of the circle.

Plug in 6 inches for :

Example Question #54 : Geometry

If a circle has a radius of meters, what is its circumference? 

Possible Answers:

Correct answer:

Explanation:

The formula for the circumference of a circle is , where  is the diameter. This can also be written as , where  is the radius of the circle. We were given the radius, so we take the second formula and plug in  for .

Example Question #1 : How To Find The Area Of A Square In Pre Algebra

Find the area of a square with a side of 10 inches. 

Possible Answers:

Correct answer:

Explanation:

The formula for the area of a square is . Therefore, square 10 and you get 100. Make sure your units are squared.

Example Question #2 : How To Find The Area Of A Square In Pre Algebra

What is the area of a square with a side length of ?

Possible Answers:

Correct answer:

Explanation:

To find the area we square the side length 

In this case we square  to get .

The answer for the area in this example is .

Example Question #2 : Area Of A Figure

What is the area of a square if the length of one side is ?

Possible Answers:

Correct answer:

Explanation:

The area of a quadrilateral is length times width or . With a square, all four sides are equal, so we can say:

.

The problem tells us that each side is , so we can plug in and solve:

Example Question #2 : How To Find The Area Of A Square In Pre Algebra

What is the area of a square if each side is ?

Possible Answers:

Correct answer:

Explanation:

The formula for the area of a square is side times side: 

Plug in our given information and solve:

Example Question #3 : How To Find The Area Of A Square In Pre Algebra

If a square has a perimeter of , what is the area?

Possible Answers:

Correct answer:

Explanation:

The perimeter of a shape is the sum of the sides of that shape. For a square, all four sides are equal, meaning that .

For this problem .

From there we can solve.

The area of a square is equal to side squared.

Example Question #683 : High School Math

What is the area of a square with a side length of ?

Possible Answers:

Correct answer:

Explanation:

The formula for the area of a square is .

Plug in our given information.

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