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What is the value of a + b + c + d?
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06 Oct 2018, 15:05
06 Oct 2018, 15:05
Expert Reply
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Question Stats:
80% (00:40) correct
19% (00:43) wrong based on 52 sessions
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What is the value of a + b + c + d?
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290
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Joined: 10 Apr 2015
Posts: 6218
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Re: What is the value of a + b + c + d?
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07 Oct 2018, 09:10
07 Oct 2018, 09:10
sandy wrote:
Since vertically opposite angles are equal, we know that the unlabeled angle must equal 35° which can add to our diagram...
All 6 angles must add to 360 degrees.
So, we can write: a + b + c + d + 35 + 35 = 360
Simplify: a + b + c + d + 70 = 360
Subtract 70 from both sides to get: a + b + c + d = 290
Answer: 290
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Re: What is the value of a + b + c + d? [#permalink]
07 Oct 2018, 09:10
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