The sides of a triangle are 7 cm, 9 cm and 14 cm. Its area is(a) 125 cm2(b) 123 cm2(c) 245 cm2(d) 63 cm2

The sides of a triangle are 7 cm, 9 cm and 14 cm. Its area is(a) 125 c

1.	The sides of a triangle are 7 cm, 9 cm and 14 cm. Its area is(a) 125 cm2(b) 123 cm2(c) 245 cm2(d) 63 cm2
Answer» The sides of a triangle are 7 cm, 9 cm and 14 cm. Its area is (a) $12 \sqrt{5} c m^{2}$ (b) $12 \sqrt{3} c m^{2}$ (c) $24 \sqrt{5} c m^{2}$ (d) $63 c m^{2}$