Math, asked by maryamikhan2004, 3 months ago

the ans should come 18 ..

plz help

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Answered by zaralarsson21

0

Answer:

Area of equilateral triangle = √3/4a2

√3/4a2 = 81√3 ⇒ a2 = 81 x 4 ⇒ a = 18cm

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hope it helps and mark me the brainliest

Answered by smrithijaya06

1

Answer:

Pls refer to this picture

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