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Find the surface area of the composite solid. Leave your answer in terms of pi

Find the surface area of the composite solid. Leave your answer in terms of pi-example-1
User Tianjin Gu
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4 votes

Answer:

Explanation:

total surface area = lateral area of cone + lateral area of cylinder + area of base of cylinder:

cone: πrL = π(5cm)(13cm) = 65πcm²

cylinder: 2πrh = 2π(5cm)(12cm) = 120πcm²

base: πr² = π(5cm)² = 25πcm²

total surface area = 65πcm² + 120πcm² + 25πcm² = 210πcm²

User Carline
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