Question

If the perimeter of a rectangle is 30 cm and its width is 6 cm then its length will be ___.​

Answer 1

Step-by-step explanation:

30=2(L+B)

30=2(L+6)

30=2L+12

30-12=2L

18=2L

L=9

answer

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Answer 2

Step-by-step explanation:

we know

perimeter of rectangle = 2( length + breadth)

or , 30 = 2( length +6)

or 15 = length +6

or length = 15-6

= 9(ans)