aaronolivera200161
20.11.2019 •
Mathematics
What is the perimeter of a rectangle, in units, if y=21/2 and the length is 2y+1?
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Ответ:
65 units
Step-by-step explanation:
Assume y is the breadth of the rectangle, since length is given.
y = breadth = 21 ÷ 2 = 10.5 units
length = 2(10.5) + 1 = 22 units
Therefore,
Perimeter = 2 (length + breadth)
= 2 (22 + 10.5)
= 65 units
Ответ: