Question

find the area of a triangle whose sides are 13,14,15 and opposite side of length is 14 cm

Answer 1

Answer:

a= 13 b =14 c=15

Step-by-step explanation:

to find the surface of a different triangle

Answer 2

semi perimeter=s/2
a =13 b =14 c=15
s=a+b+c/2
13+14+15/2
42/2
21
Heron's formula √s(s-a)(s-b)(s-c)
√21(21-13)(21-14)(21-15)
√21*8*7*6
2*2*7*3
85