The perimeter of a right-angled triangle is 72 cm. The lengths of its sides are in the ratio 3 : 4 : 5 Work out the area of the triangle.
3+4+5=12,72/12=6,3x6=18, 4x6=24,Area=1/2 x 18 x 24=216
KZ
3+4+5=12,72/12=6,3x6=18, 4x6=24,Area=1/2 x 18 x 24=216
