Question

Find the surface area of the cone in terms of pi. 15cm 3cm

Answer 1

Option a

Explanation :

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Answer 2

The surface area of cone = 54π cm²

Explanation:

Given ;

Radius = 3 cm

slant height = 15cm

The surface area of cone = πr ( r + l )

=> π × 3 ( 3 + 15)

=> π × 3 ( 18)

=> 54 π cm²