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Lesson 8 Angle proofs
By edith lopez
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Last updated over 1 year ago
23 questions
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Question 1
1.
Because MON are collinear how many degrees does that measure?
180°
0°
360°
90°
Question 2
2.
Which of the 3 postulates is being used here?
point
segment
angle
Question 3
3.
What number can you substitute in this blank to tell me what ∠NOP equals?
Question 4
4.
How many degrees is a line?
Question 5
5.
What do you call it when you replace items?
addition property
subtraction property
substitution
simplify
Question 6
6.
Did the 180 increase or decrease? or What did we do to get <MOP=40
Simplify
Addition property
Subtraction property
Division property
Question 7
7.
Which of the 3 postulates is being used here?
Angle
Segment
Ray
Question 8
8.
What kind of point is L
Collinear
Line segment
Midpoint
Endpoint
Question 9
9.
Check the last two steps
Substitution
Symmetric
Reflexion
Question 10
10.
180
90
60
120
Question 11
11.
Complementary angles
Congruent angles
Supplementary angles (linear pair)
Vertical angles
Question 12
12.
Subtraction Prop.
Addition Prop.
Simplify or combining like terms
Question 13
13.
Additon Prop
Subtraction Prop
Division Prop
Distributive Prop
Question 14
14.
How many degrees? (the box)
Question 15
15.
Angle that =90
Ray
Straight angle
Right angle
Obtuse angle
Question 16
16.
Segment
Ray
Angle
Line
Question 17
17.
Cuts in half (bisects)
Complementary Angles
Angle bisector
Segment Bisector
Supplementary Angles
Question 18
18.
Look at the box symbol in the picture
∠ABD
∠DBC
∠ABC
Question 19
19.
What property did we use to get to this step? how did we get 45? look above (2<ABD = 90)
Question 20
20.
We replaced <ABD with a number
Angle
Given
Simplify
Substitution
Question 21
21.
What number can we substitute in for ∠FIG?
Question 22
22.
Same as replace
Subtraction Property
Addition Property
Simplify
Substitution
Question 23
23.
180 becomes 135, because what operation we did with 45 to move it to the other side?
Division property
Multiplication Property
Subtraction Property
Addition property
