Two intersecting lines create four angles with the same vertex, labeled A , B , C , and D . Angle B is adjacent to ∠A and ∠C . Find m∠A if m∠C=75° .(1 point)

Question

Responses

105°
105 degrees

15°
15 degrees

75°
75 degrees

180°

Answer 1

15°

Answer 2

Vertical Angles Quick Check
4 of 5 4 of 5 Items

Question
Use the image to answer the question.

An illustration shows five rays emerging from an unlabeled point, forming the following angles from left to right: 1, 2, 3, 4, and 5. Angles 1 and 2 together form a right angle.

If m∠4=31° , what is m∠2 ?

(1 point)
Responses

59°
59 degrees

180°
180 degrees

31°
31 degrees

90°
90 degrees

Answer 3

59°

Answer 4

Vertical Angles Quick Check
5 of 5 5 of 5 Items

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

180°
180 degrees

50°
50 degrees

140°
140 degrees

Answer 5

40°