Question

Find the area of triangle whose sides are 18cm 24cm and 30cm

Answer 1

Perimeter of triangle = 18+24+30
=72
$area \: of \: triange \: = \sqrt{p(p - a)(p - b)(p - c)| }$
Where p= perimeter /2
36(36-18) (36-24) (36-30)
=
$\sqrt{36(18)(12)(6)}$
=18*12
=216

Answer 2

Answer is 126cm²

and process is in the above pic

Hope it helps you