Question

The
of an
perimeter of equilateral
triangle is twic the perimeter
Of the square . If the perimeter
of the square is 90cm, the the
the length of each side of the
triangle is

Answer 1

$perimeter \: of \: equilateral \: triangle = 2perimeter \: of \: square$

If perimeter of square is 90 cm,then perimeter of triangle will be (90×2)cm =180 cm

Length of each side of triangle=180/3=60cm

Answer 2

Perimeter of an equilateral triangle is 90 cm .

Perimeter of triangle = 3 × s

=> 90 cm = 3s

=> s = 90/3 cm

=> s = 30 cm

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