Math, asked by swarnipoojary, 12 hours ago

find the perimeter of semicircle whose diameter is 31.5cm

pls help quick :( first person with correct ans will be marked as brainliest :)

Answers

Answered by AmeliaRobinson

2

Answer:

perimeter of semi circle = πr +2r

r(π+2)

15.75(22/7+2)

15.75×36/7

2.25×36

=81 cm.

Step-by-step explanation:

hope this helps you

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