What is the circumference of a circle with a diameter of 10 inches?

A hexagon has a perimeter of 90in. Find the length of one side.

A hexagon has a perimeter of 138cm. Find the length of one side.

A hexagon has a perimeter of 126in. Find the length of one side.

A hexagon has a perimeter of 198cm. Find the length of one side.

What is the area of a right triangle if the hypotenuse is 10, and one of the side lengths is 6?

Two angles are complementary if they add up to:

If two angles are complementary, and one angle is measured degrees, what must be the other angle?

Suppose two angles are complementary. If one angle measurement is 52 degrees, what is the other angle?

A rectangle has length 10 inches and width 5 inches. Each dimension is increased by 3 inches. By what percent has the area of the rectangle increased?