Question

Pls answer the 12th Q

Answer 1

Answer:

In an isosceles triangle 2 sides are equal so

Side 1 = 4 $\frac{3}{4}$

Side 2 = 4 $\frac{3}{4}$

Side 3 must be =  Perimeter - (Side 1 + Side 2)

                         =  20 -  (4$\frac{3}{4}$ + 4$\frac{3}{4}$)

                         = 20 - 9.5

                         = 10.5

Hence Side 3 = 10.5 cm

Hope it helps