area of an equilateral triangle is 81 root 3 find its height
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AREA OF EQUALATERAL TRIANGLE = 81√3
FORMULA = (√3/4) SIDE ²
(√3/4) SIDE ² = 81√3
SIDE ² = (81√3)(4/√3)
SIDE ² = 81 × 4
SIDE ² = 324
SIDE = √324
SIDE = 18
BY 2ND FURMULA :-
(1/2) BASE × HEIGHT
(1/2) × 18 × H = 81√3
9 × H = 81√3
H = 9√3
HEIGHT = 9√3
PLZ MARK IT AS BRAINLIEST ANSWER AND DROP A ♥
FORMULA = (√3/4) SIDE ²
(√3/4) SIDE ² = 81√3
SIDE ² = (81√3)(4/√3)
SIDE ² = 81 × 4
SIDE ² = 324
SIDE = √324
SIDE = 18
BY 2ND FURMULA :-
(1/2) BASE × HEIGHT
(1/2) × 18 × H = 81√3
9 × H = 81√3
H = 9√3
HEIGHT = 9√3
PLZ MARK IT AS BRAINLIEST ANSWER AND DROP A ♥
ujjwal0007:
thanks
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Answer:
9 root 3
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