Question
What is the length of diameter of a circular ground
whose area is equal to the sum of the area of a circle of radius 8 m and a triangle of area 36 ΟmΒ² ?Solution
ATQ, Given: Circle with radius = 8 m β Area = 64Ο Triangle area = 36Ο Total area of the circular ground = Sum of both areas Find Total Area 64Ο+36Ο=100Ο Find Radius of Circular Ground Let radius = R, ΟR2 =100Ο Cancel Ο: R2 =100β R=10 Diameter=2R=2Γ10=20Β
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