Respuesta :

Answer:

When there are 2 answers there will be a crown you can click and that will give brainlest

Step-by-step explanation:

=  

a + b + c

2

=  

8 + 10 + 5

2

=  11.5 inches

Area =  √s(s-a)(s-b)(s-c)

=  √11.5×(11.5 - 8)×(11.5 - 10)×(11.5 - 5)

=  19.810035335658 inches

Answer:

the answer is 19.81 inches