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artcher [175]
3 years ago
11

The width of a rectangle is 20 inches. What must the length be if the perimeter is at least 180 inches?

Mathematics
2 answers:
Marina86 [1]3 years ago
5 0

Answer:

70 inches

Step-by-step explanation:

Finding the perimeter of a rectangle means taking two sides of the same length and adding them to two sides of a seperate length. 20 times two is 40, 180 minus 40 is 140, 140 divided by two is 70. Meaning that the length of the rectangle must be 70 for the width to be 20 and the perimeter to be at least 180 inches.

Sidana [21]3 years ago
3 0
20x2 = 40 in width
180-40= 140
140/2=70
70 inches
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