Question

The side of an equilateral triangle is 4 cm

a ) What is its perimeter ?

b) What is its area ?

c) What is its radius of its incircle ?​

Answer 1

Answer:

(pls mark as brainliest)

Step-by-step explanation:

All the sides of an equilateral triangle have the same length.

this triangle has three sides

a) 4cm+4cm+4cm=12cm

to find the area of a triangle you do :

length x height divided by 2

b) 4cmx4cm/2=8cm squared

c)2cm