Question

the height of a equilateral triangle is 9 cm , tthen it's height is

Answer 1

Answer:

H = 7.78 cm

Explanation -

The question is wrong i guess.

The side of equilateral triangle is 9 cm and we have to find it's height.

Height of equilateral triangle = 1/2 × √3 × side

             Substitute the values and you get

H = 1/2 × √3 × 9

H = 4.5 x √3

H = 4.5 x 1.73  ( √3 = 1.73 )

H = 7.78 cm

Hope this helps !