Math, asked by Mister360, 2 months ago

If the perimeter of an equilateral triangle is 60 cm, then what is its area?

Answers

Answered by afsana620ali
11

Answer:

Perimeter of the given equilateral triangle = 60 cm. Length of each of its sides =603cm=20cm. =(100×1.732)cm2=173.2cm2. Hence, the area of the given triangle is 173.2 cm2.

Answered by rapunzel53
15

Given ,

The perimeter of an equilateral triangle is 60 cm . So , each side = (60÷3) cm

=20 cm

We know , area of an equilateral triangle

= √3(each side)(each side)/4 sq. unit

Area of the triangle = (√3 × 20×20)÷4 sq. cm

=√3×20×5 sq. cm

=100√3 sq. cm

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