If a circle has a diameter of 24 inches, which expression gives its area in square inches?
O A. 12.
O B. 242.17
O C. 24. 1
O D. 122.77

The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters.

Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi

Which one ? is the answer and how to find this answer