Math, asked by harikrishnan64, 6 months ago

Perimeter of a sector of a circle
whose central angle is 90° and
radius 7 cm is

Answers

Answered by diobrando70

2

Step-by-step explanation:

perimeter of whole circle=2pi*r

=2*22/7*7=44cm^2

Area of sector=. 44/4=11 cm^2

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