Question

plzzzzzzzz answer i will mark u brainliest

Answer 1

Step-by-step explanation:

Given:

a=r

b=8

c=11

so,

s=a+b+c/2

=4+8+11/2

=23/2

now

by herons fomula

=>√s(s-a)(s-b)(s-c)

Answer 2

Answer:

23/2

Step-by-step explanation:

• your answer hope it's helpful.