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Calculate the total surface area of a cone of height 12cm and base radius 5cm….

Calculate the total surface area of a cone of height 12cm and base radius 5cm. [Take π = 22/7]

A.
180 5/7cm²
B.
240 2/7cm²
C.
235 5/7cm²
D.
282 6/7cm²
E.
361 3/7cm²

Correct Answer: Option D

Explanation

πrl + πr² = πr(l + r)²²/₇ x 5(13 + 5)
282 6/7cm²