SOLUTION: In the diagram below, line l is parallel to line m. What is the measure of angle BAC?
Heres the image : http://images.learnzillion.com.s3.amazonaws.com/batches%20218%20and%201590/
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Question 778389: In the diagram below, line l is parallel to line m. What is the measure of angle BAC?
Heres the image : http://images.learnzillion.com.s3.amazonaws.com/batches%20218%20and%201590/lowercase_resized/02181215s1.jpg
Answer choices :
112
143
68
75
Thank you!
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Let point D be a point that is on line L, but it is to the left of point A
The angle BAD is composed like this
m < BAD = m < BAC + 37
since lines L and M are parallel, this means that angle BAD and the 105 degree angle are equal (they are alternate interior angles), so this means
m < BAD = m < BAC + 37
105 = m < BAC + 37
105-37 = m < BAC
68 = m < BAC
m < BAC = 68 degrees
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