The area of an isosceles triangle having base 2 cm and the length of one of the equal sides 4 cm, is(a) 15 cm2(b) 152 cm2(c) 215 cm2(d) 415 cm2

The area of an isosceles triangle having base 2 cm and the length of o

1.	The area of an isosceles triangle having base 2 cm and the length of one of the equal sides 4 cm, is(a) 15 cm2(b) 152 cm2(c) 215 cm2(d) 415 cm2
Answer» The area of an isosceles triangle having base 2 cm and the length of one of the equal sides 4 cm, is (a) $\sqrt{15} {cm}^{2}$ (b) $\frac{\sqrt{15}}{2} {cm}^{2}$ (c) $2 \sqrt{15} {cm}^{2}$ (d) $4 \sqrt{15} {cm}^{2}$