27-09-2016
Mathematics

contestada

A rectangle has a perimeter 66cm and length 28cm. What is it's width?

Respuesta :

27-09-2016

5 cm is the width
28+28+5+5=66cm

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jullianna014 jullianna014

27-09-2016

P=2w+2l

66cm=2w+2(28)
66=2w+ 56

10=2w

w=5

the width is 5 cm

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