Review for Test

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height

Front

How do you find the radius of a circle if you know the circumference?

Back

Radius = Circumference / (2 * π)

Front

What is the formula for the circumference of a circle?

Back

Circumference = 2 * π * radius

Front

What is the difference between diameter and radius?

Back

Diameter is twice the radius; it is the longest distance across the circle.

Front

What is the formula for the area of a circle?

Back

Area = π * radius^2

Front

If a wire of length 28π in is bent to form a circle, what is the radius?

Back

Radius = 14 in

Front

What is the area of a triangle with a base of 6 in and a height of 4 in?

Back

Area = 12 in²

Front

What is the circumference of a circle with a radius of 5 cm?

Back

Circumference = 31.4 cm

Front

What is the area of a circle with a radius of 6 in?

Back

Area = 113.1 in²

Front

How do you calculate the area of a triangle?

Back

Multiply the base by the height and divide by 2.