Question

Find the area of an equilateral triangle whose perimeter is 18cm. Also find the hight. give me this answer fastly I really need this​

Answer 1

Answer:

6cm

Step-by-step explanation:

perimeter of a triangle

a + b+ c

As all the sides of an equilateral triangle are equal

let x represent a side

=x+x+x=18

=3x=18

=x=18/3

=x=6cm is the height