Question

(a) 20 years (b) 28 years (c) 15 years (d) 21 years 15. The base of an isosceles triangle is 6 cm and its perimeter is 16 cm. Length of each of the equal sides is ​

Answer 1

Answer:

Perimeter of an isosceles triangle = 16 cm

and base = 6 cm

Let each equal side = x cm

∴

x + x + 6 = 16

⇒

2x = 16 - 6 = 10

⇒

x

=

10

2

=

5

∴

Each equal side = 5 cm