Linear Pairs and Vertical Angles Answers
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1
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Given: mEDF = 120°; mADB = (3x)°; mBDC = (2x)°Prove: x = 24
A
vertical angles are congruentB
substitutionC
definition of congruencyD
definition of equality2
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3
In which diagram are angles 1 and 2 vertical angles?
A
2 lines intersect and form 4 angles. Labeled clockwise from the top: blank, 2, blank, 1.
B
3 lines extend from a point and form 2 angles, labeled 1 and 2. Both angles add up to 90 degrees.
C
A horizontal line has 2 lines extending from a midpoint forming 3 angles. Labeled from left to right: 1, 2, 3.
D
A horizontal line intersect with another line forming 4 angles. Labeled clockwise from top-left: 1, 2, blank, blank.
4
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7
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9
Given: mORP = 80° mORN = (3x + 10)°Prove: x = 30
A
ORP and ORN are a linear pairB
ORP and ORN are vertical anglesC
80 = 3x +10D
x = 3010
3 lines are shown. A line with points A, F, D intersects with a line with points B, F, E at point F. Another line extends from point F to point C in between angle B F D.
A
AFE and BFDB
BFC and DFEC
AFE and CFDD
BFC and EFA12
mSRW = °
Answer:
95
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