All High School Math Resources
Example Questions
Example Question #24 : How To Find The Area Of A Circle In Pre Algebra
Find the area of a circle with a circumference of .
The circumference equation is
If we plug into the equation, we can solve for the radius, which is .
Now, we look for the area of the circle based on the equation
Example Question #132 : Geometry
The area of a circle is . What is its radius?
Here, we are given the area of a circle and asked to solve for the radius. We know that the formula for the area of a circle is
Plugging in the area, we can cancel out the pi on each side of the equation, so that
Taking the square root, we find that
Example Question #131 : Geometry
Find the diameter of a circle with an area of .
The area formula is
Plugging in the given number for A, we can solve for the radius and find that the radius is 8.
The diameter is twice the radius, so the diameter is .
Example Question #1 : How To Find The Volume Of A Rectangular Solid In Pre Algebra
The drawing above shows the base of a solid rectangular prism. and . If the height of the rectangular solid is 3, what is its volume?
Example Question #132 : Geometry
What is the volume of a cube with a side of
The formula for volume of a cube is .
Plug in our given side and solve:
Example Question #2 : How To Find The Volume Of A Rectangular Solid In Pre Algebra
What is the side of a cube if its volume is ?
The formula for volume of a cube is or .
For this cube that means .
Take the cube root of both sides:
Example Question #3 : How To Find The Volume Of A Rectangular Solid In Pre Algebra
What is the volume of a rectangular prism with a length of , height of , and width of ?
The formula for volume of a rectangular prism is .
Plug in our given information:
Example Question #5 : How To Find The Volume Of A Rectangular Solid In Pre Algebra
What is the volume of a rectangular prism with a length of , width of , and height of ?
The formula for volume of a rectangular prism is .
Plug in our given information:
Example Question #4 : How To Find The Volume Of A Rectangular Solid In Pre Algebra
What is the volume of a cube with a side length of ?
To find the volume of a cube you must cube the side length.
The equation looks like this:
Cube the side length, , to find the answer:
The answer is .
Example Question #5 : How To Find The Volume Of A Rectangular Solid In Pre Algebra
What is the volume of a rectangular solid with a base of , length of , and height of ?
To find the volume of a rectangular solid we must know the equation:
We then plug in our numbers for base, length, and height:
Multiply to get the answer of .