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2 votes
The perimeter of a rectangle is 28 cm and
its length is 8 cm. Find its breadth.​

User Chiwangc
by
8.2k points

2 Answers

3 votes


\longmapsto \: perimeter \: of \: rectangle = 2(l + b) \\ \\ \longmapsto2(8 + b) = 28 \\ \\ \longmapsto \: 8 + b = 14 \\ \\ \longmapsto \: b = 6cm

User Kevin Pang
by
7.8k points
4 votes
Answer:
The width of the rectangle is 6cm.

Step-by-step explanation:
Perimeter=2(length+width)
28=2(8+w)
Distribute 2 into the parentheses
28=16+2w
Combine like terms
28-16=2w
12=2w
Divide both sides by 2
6=w

I hope this helps! Please comment if you have any questions.
User IngoAlbers
by
8.5k points

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