Ex 11.2, 1 (i) - Chapter 11 Class 9 Surface Areas and Volumes
Last updated at April 16, 2024 by Teachoo
Transcript
Ex 11.2, 1
Assume = 22/7, unless stated otherwise.
Find the surface area of a sphere of radius:
10.5 cm
Radius of sphere = r = 10.5 cm
Surface area of sphere = 4 r2
= (4 22/7 10.5 10.5)cm2
= 1386 cm2
Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.
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