vontaeofficial5176
29.06.2019 •
Mathematics
The perimeter of a rectangle is 51cm fin the length and width of the length is twice the width
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Ответ:
The perimeter is found by multiply multiplying the length by 2 and adding it to the width multiplied by 2.
Perimeter = 2L +2W
The length is given as twice the width which would be written as 2W
Now you have P = 2(2w) +2w
The perimeter is given as 52 cm:
51 = 2(2w) +2W
Simplify:
51 = 4w +2w
51 = 6w
Divide both sides by 6:
w = 51/6
w = 8.5
The width is 8.5 cm
The length is 2w = 2*8.5 = 17 cm
Ответ:
Answer
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Step-by-step explanation:
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