Question

The length of a rectangle is 10cm greater than it's width,the perimeter is 70cm.find the length nd width

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Answer 1

Step-by-step explanation: TS 5 15 8 36

L = W + 10 cm

Perimeter = 2(L + W)

Perimeter = 70 = 2(W +10 +W)

70/2 = 2(W +10 +W) / 2

35 = (W +10 +W)

35 = 2W +10

35 - 10 = 2W +10 - 10

25 = 2W

25/2 = 2W/2

25/2 cm = W W = ?? cm

L = W + 10 cm

L = 25/2 + 10 cm L = ?? cm