Question

find the radins of hemosphere
whose TSA is 462​

Answer 1

solf

Given

TSA=462

1. TSA= 3πrsqure= 462
2. 3×22by 7×rsqure=462
3. r square=462

Answer 2

Step-by-step explanation:

T.S.A of hemisphere=3πr^2

462 = 3×22/7×r^2

r^2 = 462×7÷3×22

r^2 = 49

r = √7

therefore. r = 7cm

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