Question

If the side of triangle are 15m 11m and 6m find the area

Answer 1

Step-by-step explanation:

we use heron's formula

s=a+b+c÷2

15+11+6÷2

=32÷2

=16

$\sqrt{s(s - a)(s -b)(s - c)} \\ \sqrt{16(16 - 15)(16 - 11)(16 - 6)} \\ \sqrt{16} (1)(5)(10) \\ \sqrt{800} \\ = 28.3$