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Papessa [141]
3 years ago
14

What is the width of a rectangle with a length of 40cm and a perimeter of 91cm?

Mathematics
1 answer:
mel-nik [20]3 years ago
8 0

Answer:

width = 5.5 cm

Step-by-step explanation:

The perimeter (P) of a rectangle is calculated as

P = 2l + 2w ( l is the length and w the width )

Here P = 91 and l = 40 , thus

91 = 2(40) + 2w = 80 + 2w ( subtract 80 from both sides )

11 = 2w ( divide both sides by 2 )

5.5 = w

Thus width is 5.5 cm

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