The curved surface area of a cone is 670 cm and its radius is 15 cm. Then its total surface area is
a) 13770.4 cm
b) 1377.14 cm
c) 137.704 cm
d) 137704 cm 101
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Answer:
hey mate,,, here is your answer...
b) 1377.14 cm
Step-by-step explanation:
TSA = CSA + area of Base
TSA = πrl + πr^2
= 670 + ( 22/7 * 15 * 15 )
= 670 + 707.14
TSA = 1377.14 cm
hope it helps you!!!
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