Question

find the diameter of a circle whose circumference is equal to the sum of circular fence of circle with radius 10 cm 12 cm and 18 cm​

Answer 1

Step-by-step explanation:

circular fence mean circumference

so sum of 3 circles circumference

we get

2π×10+2π×12+2π×18=2π×x

2π(40)=2πx

x=40

so the radius of given circle is 40

diameter of circle is 80

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