Question

use heroin's formula to find the area of triangle shown in fig ​

Answer 1

Answer: 6 sq. cm

Step-by-step explanation:

s= a+b+c/2

s=12/2

s=6

area = root of s(s-a)(s-b)(s-c)

         = $\sqrt$6(6-3)(6-4)(6-5)

         = $\sqrt$6 x 3 x 2 x 1

         = 6 sq. cm

                                                                      - thank you