Question

a carpet 6m 20cm long and 4cm 40cm broad is to be covered by a ribbon along its boundaries find the length of the ribbon required. Also find the cost if 1m ribbon costs rs 15

Answer 1

Hola Friend ✋✋✋

Length of carpet in cm = 620 cm

Breadth of carpet in cm = 440 cm

Perimeter of carpet = 2 × ( l + b )

= 2 × ( 620 + 440 )

= 2 × ( 1060 )

= 2120 cm

= 21.2 m

Cost = 21.2 × 15 = Rs 318

Hope it helps