Math, asked by laalu8548, 2 days ago

The radius of a cone is 3.5 cm and its vertical height is 8.4 cm. Find the curved surface area.

Answers

Answered by devilhero84

0

Answer:

A=πrl+πr2

l=r2+h2

Solving forA

A=πr(r+h2+r2)=π·3.5·(3.5+8.42+3.52)≈138.54424cm²

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