Question

The altitude of an equilateral triangle is 3√3 cm.Find its area.​

Answer 1

Answer:

4.5

Step-by-step explanation:

3√3the whole square -3√3 the whole square =4.5

by Pythagoras theorem a square +b square =c square

Answer 2

In Equilateral Triangle

Height = (side of Triangle)*√3/2

Let side of Triangle be a

Hence

3√3 = a√3/2

6cm=a

Area of Equilateral Triangle = Height* Base/2

= 3√3*6/2

= 9√3cm^2

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