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ABCD is a parallelogram. If AE = 3, what is the length of ED?

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Posts: 50058
ABCD is a parallelogram. If AE = 3, what is the length of ED?  [#permalink]

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12 Nov 2017, 10:12
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Difficulty:

35% (medium)

Question Stats:

59% (01:48) correct 41% (02:10) wrong based on 31 sessions

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ABCD is a parallelogram. If AE = 3, what is the length of ED?

(A) 5
(B) 4
(C) 3√3
(D) 3
(E) Cannot be determined from the given information

Attachment:

2017-11-12_2102.png [ 16.4 KiB | Viewed 832 times ]

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Re: ABCD is a parallelogram. If AE = 3, what is the length of ED?  [#permalink]

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13 Nov 2017, 08:52
1
Bunuel wrote:

ABCD is a parallelogram. If AE = 3, what is the length of ED?

(A) 5
(B) 4
(C) 3√3
(D) 3
(E) Cannot be determined from the given information

Attachment:
2017-11-12_2102.png

so angle BEA= angle EAD=x (alternate angles)

and angle CED= angle EDA=x (alternate angles)

Hence triangle AED is isosceles so AE=ED=3

Option D
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Re: ABCD is a parallelogram. If AE = 3, what is the length of ED?  [#permalink]

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13 Nov 2017, 19:07
Bunuel wrote:

ABCD is a parallelogram. If AE = 3, what is the length of ED?

(A) 5
(B) 4
(C) 3√3
(D) 3
(E) Cannot be determined from the given information

Attachment:
2017-11-12_2102.png

Should be D as AE=ED.
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Re: ABCD is a parallelogram. If AE = 3, what is the length of ED? &nbs [#permalink] 13 Nov 2017, 19:07
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