Question

Find the length of a rectangle given that its perimeter is 770 m and breadth is 77 m.

Answer 1

Answer:

Length=10m

Step-by-step explanation:

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Answer 2

Let the length be x.

$perimeter \: of \: rectangle = 2(l + b)$

$770 = 2(x + 77) \\ 385 = x + 77$

$x = 385 - 77 \\ x = 308 \\ length \: \: of \: rectangle \: is \: 308 \: m$