Question

The area of the triangle of 2sides which are 8cm and 11cm and the p=32cm

Answer 1

Answer:

Third side will be 32-8-11 = 13 cm

Semi parameter = 16

Now Hero formula

$\sqrt{s(s - a)(s - b)(s - c)} \\ = \sqrt{16\times 8 \times 5 \times 3 } \\ = 8 \sqrt{30} \: \: {cm}^{2}$