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23-09-2019
Mathematics

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1. The width of a rectangular cardboard is 24 cm and its area is 960 cm². Find the
perimeter of the cardboard.

Respuesta :

23-09-2019

Answer:

128 cm

Step-by-step explanation:

if the length = a

a × 24 = 960

so a = 960 ÷24 =40

The perimeter = (the width + the length) × 2 = (24 +40 )×2 = 64 ×2 =128

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