find the radius and total surface area of hemisphere whose radius is 3.5cm
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TSA =2πr+πr²
=πr(2+r)
= 22/7×3.5(2+3.5)
=60.5 cm²
hey this is the ans.
=πr(2+r)
= 22/7×3.5(2+3.5)
=60.5 cm²
hey this is the ans.
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