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thechocolatblanc
22.11.2019 •
Mathematics
Traffic signs are regulated by the manual on uniform traffic control devices (mutcd). the perimeter of a rectangular traffic sign is 140 inches. also, its length is 10 inches longer than its width. find the dimensions of this sign. what is the length of the sign?
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Ответ:
The length and width of rectangular traffic sign are 40 and 30 inches respectively
Solution:Given that,
Perimeter of rectangular traffic sign = 140 inches
Let length and width be denoted as ‘L’ and ‘B’ respectively
Given that length is 10 inches longer than its width
L = 10 + B
The perimeter of rectangle is given as:
Perimeter = 2( L + B)
On substituting the values, we get
140 = 2(10 + B + B)
140 = 2(10 + 2B)
140 = 20 + 4B
B = 30
Therefore, the length is L = 10 + 30 = 40
Hence the dimensions length and width of the rectangle are 40 and 30 inches respectively.
Ответ:
Step-by-step explanation:
5:1 = 5
1
= 5 × 30
1
any standing alone is on one so
6 × 30
1 1
180
1
180