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If a six-sided polygon has 3 sides of length x + y each, and 3 sides of length x – y each, what is its perimeter?
(A) 3x
(B) 3y
(C) 6x
(D) 6y
(E) 6x – 6y
(A) 3x
(B) 3y
(C) 6x
(D) 6y
(E) 6x – 6y
27 Sep 2017, 07:30
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If a six-sided polygon has 3 sides of length x + y each, and 3 sides of length x – y each, what is its perimeter?
Total perimeter = sum of all sides
3 sides have length x+y and remaining 3 sides have length x-y
=> Total perimeter = 3*(x+y)+3*(x-y) = 6x
Answer: C
Total perimeter = sum of all sides
3 sides have length x+y and remaining 3 sides have length x-y
=> Total perimeter = 3*(x+y)+3*(x-y) = 6x
Answer: C
01 Oct 2017, 12:15
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Bunuel
If a six-sided polygon has 3 sides of length x + y each, and 3 sides of length x – y each, what is its perimeter?
(A) 3x
(B) 3y
(C) 6x
(D) 6y
(E) 6x – 6y
(A) 3x
(B) 3y
(C) 6x
(D) 6y
(E) 6x – 6y
Perimeter = 3(x + y) + 3(x - y) = 3x + 3y + 3x - 3y = 6x
Answer: C
