Question

Find the area of the equilateral triangle
whose each side is:
(i) 5 cm.
I need full solution​

Answer 1

Step-by-step explanation:

Answer

Side of equilateral Triangle is 5cm

The area of triangle is given by =

4

3

a

2

=

4

3

×5

2

=

4

25

3

cm

2

Answer 2

Answer:

10.825 cm²

Step-by-step explanation:

Area of equilateral triangle = (root3) / 4 × (side)²

Given, side = 5 cm

=> Area = (root3) / 4 × (5)² = 10.825 cm²