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allochka39001 [22]

2 years ago

14

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 circ

le.

1 answer:

a_sh-v [17]2 years ago

7 0

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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Step-by-step explanation:

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cupoosta [38]

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