pranit3126 pranit3126

19-03-2021
Mathematics

contestada

A piece of wire in the form of a rectangle 18 cm long and 15 cm wide is bent and reshaped as a circle. Find the radius of a circle.

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FulcrumAhsoka FulcrumAhsoka

19-03-2021

Answer:

r = 12.89

Step-by-step explanation:

18(2) + 15(3) = 81 = C

C = 2πr

81 = 2πr

81/2 = πr

r = 81/2π ≈ 12.89

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