Question

sides of the triangle is 3m 5m and 7m find its area​

Answer 1

Step-by-step explanation:

By Heron’s formula, the triangle’s area formula is

√[s(s-a)(s-b)(s-c)]

where

s = (a+b+c)/2

s=15/2

area=√7.5*4.5*2.5*.5

=6.49 m²