Question

Find area of triangle whose sides are 13cm, 12cm
and 5cm.​

Answer 1

Answer:

=semi - perimeter = a+b+c/2

=s= (13cm+12cm+5cm) /2

=30/2

=15cm

=area of triangle ( according to Herons formula)

=√s(s-a) (s-b) (s-c)

=√15 (15-13) (15-12) (15-5)

=√15(2) (3) (10)

=√900

=30cm^2