Question

if perimeter of an equilateral triangle is 180cm,What will be it's area?

Answer 1

Perimeter of equilateral triangle = 3*side

=) 3*s = 180cm

=) s = 180/3 cm
= 60cm

Since Area of equilateral triangle = √3/4 * s^2

= √3/4 * 60cm^2

= √3/4 * 3600cm^2

= 900√3 cm^2

Hope it's helpful to u.

Answer 2

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