Question

find total surface area of hemisphere of radius 7 cm(
$\pi \frac{22}{7}$

Answer 1

Total surface area of hemisphere = 3πr^2

Given radius = 7 CM

TSA = 3 *22/7 *7*7

TSA = 462 CM square

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Answer 2

Answer:

Step-by-step explanation:

R=7cm

Tsa = 3*22/7*7*7

= 3*22*7

=462cm^2