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20-11-2019
Mathematics

contestada

What is the perimeter of a rectangle, in units, if y=21/2 and the length is 2y+1?

Respuesta :

20-11-2019

Answer:

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

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