Question

find the surface area of cone if it slant height is 21m and diameter of its base is 24 m

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

The total surface area of cone =

Pie r ( r+l)

Radius of base of the cone =12m

Slant height =21m

Pie r(l+r)

22/7*12(12+21)m square

22/7*12*33 m square

=1244.57m square

Hope it helps you my dear friend..

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