Vertical Angles Quick Check

Question

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Question
Use the image to answer the question.

An illustration shows two parallel slanting lines m and l intersecting a vertical line k. The angles formed at the intersection of lines l and k are 1, 2, 4, and 3. The angles 1 and 4 are opposite to each other while angles 2 and 3 are opposite to each other. The angles formed at the intersection of lines m and k are 5, 6, 8, and 7. The angles 5 and 8 are opposite to each other while angles 6 and 7 are opposite to each other.

If m∠6=140° , what is m∠7 ?

(1 point)
Responses

40°
40 degrees

140°
140 degrees

180°
180 degrees

50°

Answer 1

40°