Question

Find the area of triangle having sides 25 cm 39 cm and 56 cm ​

Answer 1

Answer:

By using Heron's formula,

area=root of s(s-a)(s-b)(s-c)

=root of  (25+39+56) /2  *(60-25)  (60-39)  (60-56)

= root of 60 (35) (21) (4)

=root of 176400

=420m^2

Hope it helps..!!