Question

A thin wire is form of an equilateral triangle of side 11 cm find area of circle whose circumference is equal to the length of the wire

Answer 1

hi,

Length of wire = perimeter of triangle = 3×4.4 = 13.2 cm

circumference of circle = length of wire

2πr = 13.2

r = 13.2×7/2×22

r = 2.1 cm

Area of circle = πr² = 22/7×(2.1)² = 13.86 cm²

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Answer 2

here is your answer In this pic OK dude