rhineharttori
15.07.2019 •
Mathematics
The perimeter of a rectangle is 524cm. the length is is 42cm more than the width. what is the length of the rectangle?
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Ответ:
Then P = 2W + 2L
Here, P = 524 cm = 2W + 2(W+42) = 2W + 2W + 84 = 4W + 84
Solving 524 = 4w + 84, 4W = 524-84 = 440.
Dividing both sides by 4: W = 110 cm. Then L = 110+42 = 152.
Check: Does 2(110) + 2(152) = 524? YES
W = 110 cm and L = 152 cm
Ответ:
hope this will help u.. :-)
Step-by-step explanation: