Question

find the area of any equilateral triangle if the altitude is 5 root 3 centimetre square​

Answer 1

Answer:

25√3 cm^2

Step-by-step explanation:

Given,

Altitude = 5√3 cm

Then,

It's base = 2 * 5√3 * cot 60°

= 10√3 / √3

10 cm

So,

The area of ∆ = 10 * 5√3 /2

= 5√3 * 5

25√3 cm^2