Question

the perimeter of a rectangle is 30cms.if it's breadth is 3cms then it's length is what
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Answer 1

Answer:

10cm

Step-by-step explanation:

Answer 2

Step-by-step explanation:

$perimeter = 2(length+ breadth) \\ 30 = 2(l+3) \\ \frac{30}{2} = l + 3 \\ {15}-{3} = l \\ 12 = l$

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