Question

The height of an equilateral traingle is 9 cm the measure of its side is

Answer 1

Answer:

height = 9 cm

let each side = a

area of equalterial triangle

= root 3/4 X side ²

here :

1/2 X height X base

therefore :

root 3/4 X a² = 1/2 X 9 X a

solve the equation you will get your answer.....

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