Question

a piece of thin wire in the form of an equilateral triangle of side 31.4 DM is bent into a ring with no loss in wire .find the radius of the ring​

Answer 1

Answer:

15dm

Step-by-step explanation:

Perimeter of equilateral triangle = side x 3

31.4 x 3 = 94.2 dm

Now, 2 x 22/7 x r = 94.2

r = 94.2 ÷ 6.28

r = 15 dm(decimeter)

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