Question

Construct an equilateral triangle having its perimeter 18cm

Answer 1

x+x+x=18

3x=18

x=18÷3

x=6

therefore each side is 6cm each
hope this helps you

Answer 2

Answer:

Step-by-step explanation:

As p=18cm,each side thus is 6cm.

So, draw a base of 6sm

Then, construct 60 degree angles at both points of the base. ..

Extend the angles' rays uward to 6cm each.

Their intersection point, mark it.

Name it A and the base as BC.

Hope it helps