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In the figure, AD || BC. What is the perimeter of quadrilateral ABCD?

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Math Expert
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Joined: 02 Sep 2009
Posts: 59587
In the figure, AD || BC. What is the perimeter of quadrilateral ABCD?  [#permalink]

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New post 18 Oct 2019, 02:24
00:00
A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

92% (01:32) correct 8% (00:53) wrong based on 24 sessions

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Joined: 29 Jun 2019
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Re: In the figure, AD || BC. What is the perimeter of quadrilateral ABCD?  [#permalink]

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New post 18 Oct 2019, 02:51
If we draw a line parallel to AB from C to D and name its intersection point E, DE²=50²-40²
=900.so,E=30
AD=250+30=280
280+250+40+50=620
Option C

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Re: In the figure, AD || BC. What is the perimeter of quadrilateral ABCD?   [#permalink] 18 Oct 2019, 02:51
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In the figure, AD || BC. What is the perimeter of quadrilateral ABCD?

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