area of an equilateral triangle is 20 under root three cm^2 . find its side
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Area = √3/4 (side)²
20√3 = √3/4 (side)²
20 = (side)²/4
2√5 = side/2
side = 4√5
20√3 = √3/4 (side)²
20 = (side)²/4
2√5 = side/2
side = 4√5
Answered by
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area of an eq triangle={sqrt(3)/4}*a^2=20*sqrt(3)(where a is the side)
(3/4)*a^2=20
a^2=80/3
a=sqrt(80/3) answer.
done.
(3/4)*a^2=20
a^2=80/3
a=sqrt(80/3) answer.
done.
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