Find the perimeter of a closed figure if the length of its sides is 2 cm, 4 cm, and 7 cm.
Perimeter of a rectangle is 44 cm. If its length is 9 cm, then its breadth is
The sides of a right angled triangle are 2a cm, (2a+2) cm and (4a -2) cm. What is the length of the shortest side of the triangle if its perimeter is 24 cm?