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Ex 11.3, 7 - Chapter 11 Class 7 Perimeter and Area
Last updated at Dec. 12, 2018 by Teachoo
Transcript
Ex 11.3, 7 Find the perimeter of the adjoining figure, which is a semicircle including its diameter. Diameter = AB = 10 cm Radius = r = ๐ท๐๐๐๐๐ก๐๐/2 = 10/2 = 5 cm Perimeter of semicircle = Length of semicircle part + Length of AB = 1/2 ร 2๐r + 2r = ๐r + 2r = 3.14 ร 5 + 2 ร 5 = 314/100 ร 5 + 10 = 314/20 + 10 = 157/10 + 10 = 15.7 + 10 = 15.7 + 10 = 25.7 cm โด Perimeter is 25.7 cm
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Ex 11.3
Ex 11.3, 1 (a)
Ex 11.3, 1 (b)
Ex 11.3, 1 (c)
Ex 11.3, 2 (a)
Ex 11.3, 2 (b)
Ex 11.3, 2 (c)
Ex 11.3, 3 Important
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Ex 11.3, 5
Ex 11.3, 6 Important
Ex 11.3, 7 You are here
Ex 11.3, 8
Ex 11.3, 9 Important
Ex 11.3, 10
Ex 11.3, 11 Important
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Ex 11.3, 17
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