Perimeter of an isosceles triangle is 50cm. If one of the two equal sides 8cm, find the third side.

To find the cost of a frame of a picture, we need to find the perimeter of the picture.

Four regular hexagons are drawn so as to form the design as shown in Fig.11.1. If the perimeter of the design is 28cm, find the length of each side of the hexagon.

Length of a rectangle is three times its breadth. Perimeter of the rectangle is 40cm. Find its length and width.

There is a rectangular lawn 10m long and 4m wide in front of Meena’s house (Fig. 6.12). It is fenced along the two smaller sides and onelonger side leaving a gap of 1m for the entrance. Find the length of fencing