Question

The semi-perimeter of an equilateral triangle is 9cm and then its area is

Answer 1

Answer:

igobkvnmmccmbbjvlm m

Step-by-step explanation:

ugogngvjvivlnlvhcljlnjcnxysj

Answer 2

Answer:

$9 \sqrt{3}$

Step-by-step explanation:

SEMI-PERIMETER=9

P\2=9

P=3A

FORMULA OF PERIMETER--

P=3A

18=3A

A=6CM

AREA=√3\4*A^2

√3\4*6*6

=9√3CM^2