Question

the area of an equilateral triangle is 25 under root 3 m square find its perimeter and altitude correct to 3 significant figures​

Answer 1

Step-by-step explanation:

Area of triangle=25root3

formula=root3*s^2/4

so 25root3=root3*s^2/4

on transposing and subsituting we get a=10

so perimeter=30 m

so altitude= 10^2-5^2=root75

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