Q. 775.0( 1 Vote )
Each question con
Assertion is wrong and Reason is correct.
Given: A hemisphere of radius 7 cm.
Total surface area of the hemisphere is: 3πr2
Let S be the TSA of the hemisphere.
∴ S = 3πr2 = 3π(7)2
∴ S = 462cm2
The total cost to pain it: 462 × 5 = Rs 2310
The total surface area of a hemisphere is 3πr2.
∴ Assertion is wrong and Reason is correct.
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