Find the diameter, circumference and area of the circle above.

A circle has a diameter of 10cm. What is the circumference?

Find the midpoint of the line that passes through the points and .

A circle has a diameter of 10cm. What is the circumference?

Find the area of a circle with a diameter of .

Find the diameter, circumference and area of the circle above.

The slant height of a cone is ; the diameter of its base is one-fifth its slant height. Give the surface area of the cone in terms of .

Which of the following describes a triangle with sides one kilometer, 100 meters, and 100 meters?

Find the midpoint of the line that passes through the points and .

Note: Figure NOT drawn to scale.

Refer to the figure above, which shows a square inscribed inside a large triangle. What percent of the entire triangle has been shaded blue?