All GED Math Resources
Example Questions
Example Question #41 : Area Of A Circle
Find the area of a circle with a diameter of 18.
Write the formula for the area of a circle.
The radius is half the diameter, or .
Substitute the radius.
The answer is:
Example Question #41 : Area Of A Circle
Find the area of a circle with a radius of .
Write the formula for the area of a circle.
Substitute the radius.
Use the FOIL method to simplify the binomials.
Simplify the terms.
Multiply this quantity by pi.
The answer is:
Example Question #132 : Circles
Find the area of a circle with a radius of .
Write the formula for the area of a circle.
Substitute the radius into the equation.
The answer is:
Example Question #133 : Circles
Find the area of a circle with a radius of 25.
Write the formula for the area of a circle.
Substitute the radius.
The answer is:
Example Question #141 : 2 Dimensional Geometry
Determine the area of a circle with a radius of .
Write the formula for the area of a circle.
Substitute the radius.
The answer is:
Example Question #1102 : Ged Math
Find the area of a circle with a radius of 7in.
To find the area of a circle, we will use the following formula:
where r is the radius of the circle.
Now, we know the radius of the circle is 7in. So, we can substitute. We get
Example Question #47 : Area Of A Circle
Let
Find the area of a circle with a diameter of 8in.
To find the area of a circle, we will use the following formula:
where r is the radius of the circle.
Now, we know . We know the diameter of the circle is 8in. We know the diameter is two times the radius. Therefore, the radius is 4in. So, we substitute. We get
Example Question #141 : 2 Dimensional Geometry
Determine the area of a circle with a radius of .
Write the formula for the area of a circle.
Substitute the radius.
The answer is:
Example Question #141 : Circles
Find the area of a circle with a diameter of .
Write the formula for the area of the circle.
The radius is half the diameter.
Substitute the radius.
The answer is:
Example Question #141 : 2 Dimensional Geometry
Find the area of a circle with a diameter of 16.
Write the formula for the area of a circle.
The radius of the circle is half the diameter, or 8.
Substitute the radius into the equation.
The answer is:
All GED Math Resources
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