Surface Areas & Volumes | Exercise 13.4 | Q3

NCERT Solutions for Class 9 Maths | Total Surface Area of Hemisphere

Question 3: Find the total surface area of a hemisphere of radius 10 cm. (Use π = 3.14)


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Explanatory Answer | Exrecise 13.4 Question 3

Given Data: Radius of the hemisphere, r = 10 cm
Total surface area of hemisphere = 3 × π × r2
Take π = 3.14

Total surface area of the hemisphere = 3 × 3.14 × 10 × 10
= 3 × 314
= 942 cm2

 


NCERT Solutions for Class 9 Math | Chapter 13 Video Solutions



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