Question

11. If the length of each side of
an equilateral triangle is a, then
its perimeter is
O3+a
Оза
а
Оба​

Answer 1

Answer:

it's 3a ................

Answer 2

Step-by-step explanation:

The area of equilateral triangle is 9

3

cm

2

Since, the area of equilateral triangle is

=

4

3

a

2

Therefore,

4

3

a

2

=9

3

a

2

=9×4

a

2

=36

a=6cm

Hence, the side of the triangle is 6cm.