Linear Pairs and Vertical Angles

Question 1

2 intersecting lines are shown. A line with points T, R, W intersects a line with points S, R, V at point R. 4 angles are created. Clockwise, from the top, the angles are blank, (3 x) degrees, blank, (x + 40) degrees.

Revolt · Accepted Answer

20

Question 2

3 lines are shown. A line with points A, F, D intersects a line with points B, F, E at point F. A line extends from point F to point C in between angle B F D.

Revolt · Accepted Answer

AFB

Question 3

Given: mADE = 60° and mCDF = (3x + 15)°Prove: x = 15

Revolt · Accepted Answer

Statement: 60 = 3x + 15; Reason: substitution

Question 4

2 intersecting lines are shown. A line with point T, R, W intersects a line with points S, R, V at point R. Clockwise, from the top left, the angles are (2 x + 10) degrees, blank, blank, (x minus 10) degrees.

Revolt · Accepted Answer

60°

Question 5

In the diagram, which angles are vertical angles? Select two options.

Question 6

Given: mORP = 80° mORN = (3x + 10)°Prove: x = 30

Revolt · Accepted Answer

ORP and ORN are a linear pair

Question 7

3 lines are shown. A line with points A, F, D intersects a line with points B, F, E at point F. A line extends from point F to point C in between angle D F B. Angle A F E is 125 degrees and angle B F C is 45 degrees.

Revolt · Accepted Answer

80°

Question 8

3 lines are shown. A line with points P, R, N intersects a line with points O, R, M at point R. A line extends from point R to point L in between angle M R P.

Revolt · Accepted Answer

He is incorrect. Ray RO and ray RL are not opposite rays.

Question 9

In which diagram are angles 1 and 2 vertical angles?

Revolt · Accepted Answer

2 lines intersect and form 4 angles. Labeled clockwise from the top: blank, 2, blank, 1.

Linear Pairs and Vertical Angles Answers

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