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標題:
equation of rectangle! (急!!5點)
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發問:
The length of a rectangle is 5 cm more than its width, its perimter is 62 cm.Find the lenght of the rectangle? Solution: Let___________________ 緊急!請盡快回覆! Thank you
最佳解答:
Let width is x cm and length is x+5 cm. 2(x+5+x) = 62 x+5+x = 31 2x+5 = 31 2x = 26 x = 13 The length of the rectangle is 13+5 cm = 18cm .
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