Question

If the side of an equilateral triangle is 60cm. Then its area will be?​

Answer 1

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.

Step-by-step explanation:

Hope that helps you

Answer 2

Answer:

60+60+60/2

= 90

Area =√ s (s-a)(s-b)(s-c)

= √90(90-60)(90-60)(90-60)

=√ 90×30×30×30

=900√3

This is your answer

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