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What is the total surface area of a right circular cone of height 14 cm and base radius 7 cm? ?->(Show Answer!)
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1. What is the total surface area of a right circular cone of height 14 cm and base radius 7 cm?





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  • By: guest on 01 Jun 2017 05.49 pm
    h = 14 cm, r = 7 cm. So, l = (7)2 + (14)2 = 245 = 75 cm. Total surface area = rl + r2 = 22 x 7 x 75 + 22 x 7 x 7 cm2 7 7 = [154(5 + 1)] cm2 = (154 x 3.236) cm2 = 498.35 cm2.
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