Math, asked by abhisri9, 1 year ago

the area of an equilateral triangle is36√3 cm . find its perimeter??

Answers

Answered by KarupsK

Mark this answer as brainliest answer

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KarupsK: tell

abhisri9: why can't we use 1/2×b×h

abhisri9: this formulae

KarupsK: this formula you can use any triangle to find area.

KarupsK: but equilateral triangles are special type of triangle.

KarupsK: having all angles 60 and all sides are equal

abhisri9: then by using it solve the above once

abhisri9: pls

abhisri9: i think so you r a helping hand

abhisri9: thank you

Answered by BabyDoreamon

Dora Dora Dora :D

$area \: of \: equilateral \: triangle \: = \frac{ \sqrt{3} {a}^{2} }{4} \\ \\ \frac{ \sqrt{3} {a}^{2} }{4} = 36 \sqrt{3} \\ \\ {a}^{2} = \frac{36}{4} \\ \\ a = 3 \\ \\ perimeter \: = 3a \\ perimeter = 9$

Here is your answer :D

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