The length of a rectangle is 5 cm greater than its width. The perimeter is 42 cm. What are the dimensions of the rectangle.
1 answer:
Answer:
length=25 width=17
Step-by-step explanation:
l+w=42
start by guessing a pair of numbers that equals 42 i chose 22+20
since these two numbers are 2 digits apart,
5-2=3
now we have to add 3 to 22 and subtract 3 from 20
now it is 25+17 which still equals 42
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