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# In the diagram below, AB is parallel to CD and BC is parallel to DF.

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Math Expert
Joined: 02 Sep 2009
Posts: 54376
In the diagram below, AB is parallel to CD and BC is parallel to DF.  [#permalink]

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24 Jul 2017, 23:21
1
00:00

Difficulty:

25% (medium)

Question Stats:

87% (01:28) correct 13% (01:36) wrong based on 55 sessions

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In the diagram below, AB is parallel to CD and BC is parallel to DF. What is the measure of ∠CDE?

(1) ∠ABC = 45°
(2) ∠EDF = 40°

Attachment:

2017-07-25_1019.png [ 3.82 KiB | Viewed 1436 times ]

_________________
Intern
Joined: 06 Feb 2016
Posts: 48
Location: Poland
Concentration: Finance, Accounting
GMAT 1: 730 Q49 V41
GPA: 3.5
Re: In the diagram below, AB is parallel to CD and BC is parallel to DF.  [#permalink]

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26 Jul 2017, 01:40
St 1: As angle ABC=45 degrees angle CDF=45 degrees, too. No info about angle FDE. Therefore, this statement is insufficient.
St 2: No info about angle CDF. Insufficient

St 1 + St 2: Angle CDE=angle CDF + angle FDE =45+40=85 Sufficient
Intern
Joined: 07 Jun 2017
Posts: 19
Re: In the diagram below, AB is parallel to CD and BC is parallel to DF.  [#permalink]

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29 Jul 2017, 01:37
(angle ABC = angle BCD = angle CDF) + angle FDE
Re: In the diagram below, AB is parallel to CD and BC is parallel to DF.   [#permalink] 29 Jul 2017, 01:37
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The text passage is a GMAT question prompt, followed by a user's response and another user's response, which includes a solution to the problem. The passage contains a mathematical question and an answer provided by one of the users.
single_question_with_answer
Given a text passage, determine:
    1. If it contains a mathematical question (including word problems or calculations)
    2. If an answer to that mathematical question is provided in the text

First, describe the content structure you found in 1-2 sentences.

Then provide your analysis in the following format:
TYPE: <one of the following values>
- NO_QUESTION
- SINGLE_QUESTION
- SINGLE_QUESTION_WITH_ANSWER
- MULTIPLE_QUESTIONS
- MULTIPLE_QUESTIONS_WITH_ANSWERS
system
GMAT Question of the Day - Daily to your Mailbox; hard ones only

 It is currently 21 Apr 2019, 03:54

### GMAT Club Daily Prep

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# In the diagram below, AB is parallel to CD and BC is parallel to DF.

Author Message
TAGS:

### Hide Tags

Math Expert
Joined: 02 Sep 2009
Posts: 54376
In the diagram below, AB is parallel to CD and BC is parallel to DF.  [#permalink]

### Show Tags

24 Jul 2017, 23:21
1
00:00

Difficulty:

25% (medium)

Question Stats:

87% (01:28) correct 13% (01:36) wrong based on 55 sessions

### HideShow timer Statistics

In the diagram below, AB is parallel to CD and BC is parallel to DF. What is the measure of ∠CDE?

(1) ∠ABC = 45°
(2) ∠EDF = 40°

Attachment:

2017-07-25_1019.png [ 3.82 KiB | Viewed 1436 times ]

_________________
Intern
Joined: 06 Feb 2016
Posts: 48
Location: Poland
Concentration: Finance, Accounting
GMAT 1: 730 Q49 V41
GPA: 3.5
Re: In the diagram below, AB is parallel to CD and BC is parallel to DF.  [#permalink]

### Show Tags

26 Jul 2017, 01:40
St 1: As angle ABC=45 degrees angle CDF=45 degrees, too. No info about angle FDE. Therefore, this statement is insufficient.
St 2: No info about angle CDF. Insufficient

St 1 + St 2: Angle CDE=angle CDF + angle FDE =45+40=85 Sufficient
Intern
Joined: 07 Jun 2017
Posts: 19
Re: In the diagram below, AB is parallel to CD and BC is parallel to DF.  [#permalink]

### Show Tags

29 Jul 2017, 01:37
(angle ABC = angle BCD = angle CDF) + angle FDE
Re: In the diagram below, AB is parallel to CD and BC is parallel to DF.   [#permalink] 29 Jul 2017, 01:37
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user
The text passage is a GMAT question prompt, followed by a user's response and another user's response, which includes a solution to the problem. The passage contains a mathematical question and an answer provided by one of the users.

TYPE: SINGLE_QUESTION_WITH_ANSWER