Question

if the side of a equilateral triangle is 18 cm then what its height​

Answer 1

Answer:

15.558cm

Step-by-step explanation:

side of triangle=18cm

all angles of equilateral triangle is 60 degree

sin60=root 3/2 so  sin60=l/18

      =15.558

Answer 2

Answer:

sorry i can't give you answer because if i told you what will you learn but i can tell formula :)

Step-by-step explanation:

h = (1/2) x √3 x 18 this is the formula of altitude of an equilatral triangle if you think it help so please mark me as brainlist and follow me pls