If the base of a trapezoid is 12 units, and the height is 8 units, what is its area?

If 3�−2=163c−2=16, what is the value of �c?

The surface area of a cube is 5454 square units. What is the length of each side?

If a trapezoid has one base of length 6 units, another base of length 10 units, and a height of 8 units, what is its area?

If the diameter of a circle is 14 units, what is its circumference?

What is the sum of the angles in an isosceles triangle if the two equal angles are 50∘50∘ each?

The area of a circle is 49�49π square units. What is its radius?

What is the measure of each interior angle in a regular octagon?

Solve: 2×(�+4)=202×(x+4)=20

If the diameter of a sphere is 12 units, what is its volume?