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Ex 13.4, 3 - Find the total surface area of a hemisphere - Ex 13.4

  1. Class 9
  2. Important Questions for Exam - Class 9
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Ex 13.4, 3 Find the total surface area of a hemisphere of radius 10 cm. (Use π = 3.14) Radius = r = 10 cm Total surface area of hemisphere = 3𝜋r2 = (3 ×3.14×10×10) cm2 = (3 ×314) cm2 = 942 cm2

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