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In the diagram, ℓ1 is parallel to ℓ2. The measure of ∠ a is
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04 Oct 2018, 07:26
04 Oct 2018, 07:26
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92% (01:10) correct
7% (01:50) wrong based on 38 sessions
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In the diagram, ℓ1 is parallel to ℓ2. The measure of ∠ a is 40 degrees. What is the sum of the measures of angles d and w less the sum of the measures of angles y and c?
Enter your value in degrees
Show: :: OA
100
Re: In the diagram, ℓ1 is parallel to ℓ2. The measure of ∠ a is
[#permalink]
08 Oct 2018, 06:53
08 Oct 2018, 06:53
1
Carcass wrote:
Attachment:
lines.jpg
In the diagram, ℓ1 is parallel to ℓ2. The measure of ∠ a is 40 degrees. What is the sum of the measures of angles d and w less the sum of the measures of angles y and c?
Enter your value in degrees
Show: :: OA
100
Here ∠ a = ∠c = ∠ z = ∠ x =40 °
and ∠ d = 180 -40 = 140 °
∠ d = ∠ w = ∠ y = 140 ° .
Now as per Ques:
(∠ d + ∠ w) - (∠ y + ∠ c) = 280 - 180 = 100 °
gmatclubot
Re: In the diagram, ℓ1 is parallel to ℓ2. The measure of ∠ a is [#permalink]
08 Oct 2018, 06:53
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