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Example 18 - Chapter 11 Class 7 Perimeter and Area
Last updated at Dec. 6, 2021 by Teachoo
Examples
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Example 9 (i)
Example 9 (ii) Important
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Example 17 Important
Example 18 You are here
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Example 22 Important
Transcript
Example 18 Diameter of a circular garden is 9.8 m. Find its area. Diameter = 9.8 m Radius = r = π·πππππ‘ππ/2 = 9.8/2 = 98/20 = 49/10 m Area of circle = πr2 = 22/7 Γ (49/10)^2 = 22/7 Γ 49/10 Γ 49/10 = 22/1 Γ 7/10 Γ 49/10 = (154 Γ 49)/100 = 7546/100 = 75.46 m2 β΄ Required Area is 75.46 m2
