Jungkookstoenail Jungkookstoenail

07-01-2021
Mathematics

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A rectangle has a perimeter of 30cm the width of the rectangle is n cm the length of the rectangle is n+6cm
What’s the value of n

A rectangle has a perimeter of 30cm the width of the rectangle is n cm the length of the rectangle is n6cm Whats the value of n class=

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woldegiorgissenait64 woldegiorgissenait64

07-01-2021

Step-by-step explanation:

p=2(l+w)

30cm=2(n+6+n)

30cm\2=2n+6

15cm-6=2n

9cm=2n

n=4.5cm or w=4.5cm

l=w+6

l=4.5cm+6

l=10.5cm

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