Question

The perimeter of a rectangular painting is 326 cm. if the width of the painting is 74 cm, what is the length?

Answer 1

Perimeter (P) = 326 cm

Width (w) = 74 cm

Length (l) = ?

We know,

P = 2* (l + w)

326 = 2 (l + 74)

l + 74 = 163

l = 89 

Hence, length is 89 cm.