(1 pt) The width of a rectangle is 5 less than twice its len
(1 pt) The width of a rectangle is 5 less than twice its length.If the area of the rectangle is 112 cm,what is the length of the diagonal?
Note:Your answer must be a number.It may not contain any arithmetic operations.
十个小时之内算出来.有急用.
Note:Your answer must be a number.It may not contain any arithmetic operations.
十个小时之内算出来.有急用.
赞 wjh1980wjh 幼苗
共回答了11个问题采纳率：90.9% 举报
Let x be the length,then the width is 2x-5,its area is x(2x - 5) = 112
x = 8.84 cm
The other answer is omitted because is negative.
x = 8.84 cm
The other answer is omitted because is negative.
1年前
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