The height of an equilateral triangle is also the perpendicular bisector of its base. Determine the area of an equilateral triangle that has 6.0 cm sides.

The radius of a circle is 10 kilometers. What is the area?

Tito builds a model of the solar system. In his model, the diameter of the sphere representing Jupiter is 77 inches. What is the circumference of a cross section through the center of the model of Jupiter?

An equilateral triangle has perimeter 12 cm. Find its area

What is the area in square centimeters of a right triangle that has a 45 degree angle hypotenuse of 16 cm? and a

Calculate the area of the circle when the length of the circle bounding the circle is 628cm?

The area of a circle is 173 square inches. Find the approximate length of its radius

The radius of a circular merry-go-round is 3 meters.  Which measurement is closest to the area of the merry-go-round in square meters?