Use this worksheet to practice finding the volume and surface area of a right circular cone. [br]Adjust the height and radius using the labeled sliders. [br]Answer the questions below. [br]Click on the check boxes to find helpful hint and verify your answers.
1.Find the volume and surface area for 5 different cones by randomly choosing different heights and radii.[br][list][br][*] Height ______, Radius _______, Slant Height _______, Surface Area ___________, Volume ___________[br][br][*] Height ______, Radius _______, Slant Height _______, Surface Area ___________, Volume ___________[br][br][*] Height ______, Radius _______, Slant Height _______, Surface Area ___________, Volume ___________[br][br][*] Height ______, Radius _______, Slant Height _______, Surface Area ___________, Volume ___________[br][br][*] Height ______, Radius _______, Slant Height _______, Surface Area ___________, Volume ___________[br][/list][br][br]2. Find the missing dimensions below. Round to the nearest unit.[br] a. Cone: volume is 142 cubic meters, diameter is _________, height is 9 meters[br] [br] b. Cone: surface area is 153.5 square inches, radius is 4 inches, slant height ____________[br] [br]3. Plants: A cone-shaped paper cup is 6 cm high with a diameter of 7 cm. If the ivy plant on Julia's desk needs 240mL of water, about how many paper cups of water will she use to water it? (1 mL = 1 cubic cm)