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Parallel and Perpendicular Lines

This topic covers the identification of parallel and perpendicular lines. Angles formed by transversals are also covered.
Practice Question
1

m∠DCB = (y + 10)°, and m∠CBE = (2y + 5)°.

Find m∠DAB


 
Possible Answers
Your Answer
Correct Answer
A)

15°
B)

25°
C)

20°
D)

17°
Practice Question
2

Find m∠1 in the diagram.

 
Possible Answers
Your Answer
Correct Answer
A)

60°
B)

50°
C)

90°
D)

120°
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