Question

The sides of a triangle are 8 cm, 11 cm and 13 cm. What is its area?​

Answer 1

Answer:

semi perimeter = 8+11+13/2= 16 now use herons formula

root s(s-a)(s-b)(s-c)

root 16(16-8)(16-11)(16-13)

root 16*8*5*3

root 2*4*2*4*2*5*3

root 2*4*2*5*3

=120 root 2 answer

i hope it helps

Step-by-step explanation:

Answer 2

Answer:

arABC = 8√30 cm². Hope it helps!

PS :- I forgot to write cm² in the pic. Don't make the same mistake or else your marks will be deducted