Question

find the area of an equilateral triangle each of whose sides 20cm2​

Answer 1

Step-by-step explanation:

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

=√3 *20*20/4==100√3

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Answer 2

Step-by-step explanation:

• Here, side = 20cm
• So , Area of equilateral triangle = √3/4*side *side = √3/4*20*20 = √3*5*20 = 100√3 cm^2