Geography, asked by rivika7722, 10 months ago

Find the lenght of arc of a circle whose central angle is 90°and radius is 7cm

Answers

Answered by Terry1987

2

Answer:

11 cm

Explanation:

Angle= arc/radius

Here, 90°= π/2= 22/(7x2)= 11/7

11/7= Arc / 7cm

Thus, Arc= Angle x radius= (11/7) x 7= 11cm

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