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Plsssss help if u can 6th-grade math plss

Plsssss help if u can 6th-grade math plss-example-1

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Explanation:

Q1. diameter =90yd radius=45

circumference of circle=2×pi×radius

"" =2×3.14×45

=282.6 yd

Q2 diameter =18m radius=9

area of circle=pi×(radius)

""" =3.14×9²

""" =254.34m²

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