Math, asked by ssarveshwar107, 2 months ago

9. What is the total surface area of a hemisphere of base radius 7cm?
OR
The surface area of two hem

Answers

Answered by gamingadda2004

1

Answer:

462 cm Ans.

Step-by-step explanation:

Given,

radius (r) = 7cm

T.S.A. of hemisphere = ?

we know that

T.S.A. of hemisphere = 3πr^2

=> T.S.A. of hemis. = 3×22/7×7×7

=> """"""""""""""""" = 3×22×7

=> """"""""""""""""" = 462 cm^2 Ans.

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