the perimeter of an equilateral triangle is 18 centimetre find its area
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Heya!!!
Area of equilateral triangle having sides a is
a² √3 / 4
and it's perimeter = 3a
3a = 18
a = 9
it's area is = 81 √ 3 / 4
Have a nice time.
Area of equilateral triangle having sides a is
a² √3 / 4
and it's perimeter = 3a
3a = 18
a = 9
it's area is = 81 √ 3 / 4
Have a nice time.
Anonymous:
Dear, mark my ans as brainlist if u found it quite helpful......
thats not a right answer
sorry a = 6 ....
its area is. 36 √3 / 4cm² .....just a calculation mistake
sorry for the mistake
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1
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