Question

if SEMIPERIMETER of a equretral triangle is 28√3 CM then area of equretral triangle is?
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Answer 1

Answer:

we know that all three sides of an equilateral triangle are equal. now, the formula to find the area of an equilateral triangle is √3a²/4 where a is the side of the triangle.

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

perimeter of semi perimeter is 3a/2(a is the one side of triangle)

3a/2=28√3

3a=56√3

a=56√3/3

area of EQULATERAL TRIANGLE is 3a²/4

=(3x56²x√3²/3²)/4

=(56x56)/4

=56x14=784