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mr_godi [17]
2 years ago
5

A rectangle has perimeter 56 cm and length 21 cm. What is its width?

Mathematics
2 answers:
Ymorist [56]2 years ago
5 0

Answer:

width=7 cm

Step-by-step explanation:

perimeter=2(lengths+width)

        56   =2(21+x)

         56  =42+2x

   56-42  =2x

        2x    = 14

            x   =7    

therefore the width=7 cm

Misha Larkins [42]2 years ago
4 0
<h3>answer the answer is 7. </h3>

hhhhhhhhhhh

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