Johann made a sculpture by joining two cylinders. As shown below, a cylinder with a radius of 2 centimeters sits on top of a cylinder with a radius of 5 centimeters. 2 cm 8 cm 7 cm 5 cm Which of the following is the best estimate of the surface area of Johann's sculpture? O 477 cm? O 499 cm2 O 578 cm2 O 333 cm?

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A: Total surface area of solid object is measure of total area that surface of object occupies.

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Cylinders

A cylinder is a three-dimensional solid shape with two parallel and congruent circular bases, joined by a curved surface at a fixed distance. A cylinder has an infinite curvilinear surface.

Cones

A cone is a three-dimensional solid shape having a flat base and a pointed edge at the top. The flat base of the cone tapers smoothly to form the pointed edge known as the apex. The flat base of the cone can either be circular or elliptical. A cone is drawn by joining the apex to all points on the base, using segments, lines, or half-lines, provided that the apex and the base both are in different planes.