Question

Three sides of a triangular field are 20 meters, 21 meters and 29 meters long respectively. The area of the field is

Answer 1

Answer:

Area of triangle=√s(s-a)(s-b)(s-c)

s=a+b+c/2

s=20+21+29/2

=70/2=35

So,√35(35-20)(35-21)(35-29)

√35*15*14*6

√7*5*3*5*7*2*3*2

=7*5*3*2=210 m^2