The perimeter of a rectangle is 42 cm and its length is double it's breadth.Find the length and breadth of rectangle
Answers
Answered by
1
Answer:
14 and 7
Step-by-step explanation:
Let the breadth be x
Then, length = 2x
Perimeter = 2(l+b) = 2×(2x+x)
= 6x = 42
=> x = 7 (breadth)
2x= 14 (length)
Answered by
1
Answer:
Let it's breadth be x
and it's length be 2x
perimeter of a rectangle= 42cm
2(l+b) =42
2(2x+x)=42
2(3x)=42
3x=42/2
3x=21
x=21/3
x=7
breadth= 7cm
and length= 2×7
14cm
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