Question

The height of an equilateral triangle measures 9√3.find it's area​

Answer 1

Height =

2

3

(side)=9

⇒ side =

3

18

Now,

Area =

4

3

(side)

2

=

4

3

×

3

×

3

18×18

=3

3

×9

=3×1.732×9

=5.196×9

=46.764cm

2