an umbrella has 8 ribs which are equally spaced assuming umbrella to be a flat circle of radius 45 cm find the area between two consecutive ribs of umbrella
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complete angle = 360
umbrella has 8 ribs so angle between 2 consecutive ribs =360/8 =45
hence
area between two consecutive ribs = 45/360* pie *45^2
umbrella has 8 ribs so angle between 2 consecutive ribs =360/8 =45
hence
area between two consecutive ribs = 45/360* pie *45^2
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