Question

find the parimeter of an equilateral triangle each of whose side is 16.5 cm long.

Answer 1

Hey friend!

Perimeter of equilateral triangle=3*side
=3*16.5
=49.5 cm

Hope this helps!

@crystinia

Answer 2

$side \: of \: equil. \: triangle = 16.5cm \\ perimeter \: of \: equil. \: triangle = 3 \times side \\ \: \:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:= 3 \times 16.5 \\\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:= 49.5cm$

Hope it helps you
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