Question

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

Answer 1

Answer:

$Consider \: {13}^{2} = 169 \\ Consider \: {5}^{2} + {12}^{2} = 25 + 144 = 169 \\ = > \: triangle \: is \: right \: angle \: triangle. \\ area \: of \: triangle \: = \frac{1}{2} \times 5 \times 12 = 30 \: {cm}^{2}$

Answer 2

Answer:

$\frac{1}{2} \times 5 \times 12 = 30cm {}^{2}$