Question

I need----- of ribbon to make a border around a rectangular picture of length
20 cm and breadth 8 cm.

Answer 1

Answer:

i need 1 ribbon to make a border around a rectangular picture of length 20cm and breadth 8cm

Answer 2

Border around a rectangular picture = perimeter

Length of rectangle (l) = 20 cm

Breadth of rectangle (b) = 8 cm

Perimeter of rectangle = 2(L + B)

= 2(20 + 8)

= 2 (28)

= 56 cm

I need 56 cm of ribbon to make a border around a rectangular picture.

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