Question

The lateral area of a cone is 612 cm2. The radius is 43 cm. What is the slant height to the nearest tenth of a centimeter?
• 4.5 cm
• 7.1 cm
• 9.1 cm
• 14.2 cm

What are the lateral area and the surface area of the cone shown below? Round the answers to the nearest tenth. The figure is not drawn to scale.


• LA = 615.8 ft2; SA = 1,803.3 ft2
• LA = 615.8 ft2; SA = 3,166.7 ft2
• LA = 1,187.5 ft2; SA = 1,803.3 ft2
• LA = 1,187.5 ft2; SA = 3,166.7 ft2

Answer 1

14.2 cm