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## Answers

circle

square

trapezoid

rectangle

pentagon

Consider a circle

1/4 the circumference + 2 radii

In a square and rectangle 1/2 the circumference

after that it gets harder

I hope u got your answer!!!

Perimeter of a circle is 2πr. Since a quadrant is 1/4 of a circle, 1/4 * 2πr

= 1/2πr

= 1/2πr