The perimeter of a rectangle is equal to 42cm if its breadth is 9cm.find the length of the rectangle
Answers
Answered by
5
Answer:
Step-by-step explanation:
Acording to the formula of perimeter is =2(l+b)
Let p =42
B=9
L=x
So
42=2(9+x)
42=18+2x
42-18=2x
24÷2=x
Answer is 12
So the length is 12
Answered by
1
Answer:
12 cm answer
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