Question

the length of a rectangle is three times its breadth if breadth is 4 metre find the perimeter​

Answer 1

Step-by-step explanation:

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Answer 2

ANSWER

$let \: the \: length \: be \: l \\ \\ and \: breadth \: be \: b \\ \\ acc \: to \: question... \\ \\ l = 3(b) \\ \\ breadth = 4m \\ \\ length = 3(4)m = 12m \\ \\ we \: know \: that \: perimeter \: is \: sum \: of \ \\ : all \: sides \\ \\ 2(length + breadth) = 2(12 + 4) \\ \\ perimeter = 2 \times 16 = 32m$

ANSWER BY...

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