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2015­12­18 Review for Triangle Theorem Quiz.notebook
December 18, 2015
12/18/2015
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Review worksheet
WARMUP VOCABULARY REVIEW
Write each definition. Match correct term with its definition.
1. the sum of all three interior angles in a triangle is 180
2. interior angles not adjacent to an exterior angle
3. an angle formed by one side and the extension of an
adjacent side
4. a triangle with two congruent sides and two congruent
base angles
5. an angle formed by two sides of a triangle
6. a triangle with three different side lengths and three different angle measures 7. a triangle with one right angle
8. a triangle with three acute angles
9. a triangle with one obtuse angle
10. an angle with measure 180
11. in a triangle, an exterior angle measure is equal to the sum
of the measures of the two remote interior angles
acute triangle exterior angle Exterior Angles Theorem interior angle
isosceles triangle obtuse triangle remote interior angles right triangle scalene triangle straight angle Triangle Sum Theorem
2015­12­18 Review for Triangle Theorem Quiz.notebook
Definition
Definition
Vocab
1.
7.
2.
8.
3.
9.
4.
10.
5.
11.
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Vocab
6.
Homework Questions?
x = ­8
x = ­6
2015­12­18 Review for Triangle Theorem Quiz.notebook
<A = 40 degrees
x = 10
December 18, 2015
<A = 30 degrees
x = 6
2015­12­18 Review for Triangle Theorem Quiz.notebook
December 18, 2015
<R = 57 degrees
<W = 52 degrees
Triangle Sum Theorem
A
A
Angle + Angle + Angle = 180
A
2015­12­18 Review for Triangle Theorem Quiz.notebook
December 18, 2015
Exterior Angle Theorem
R
R
E
R + R = E
Find the missing angle measure. Write an equation. Isolate x.
1. x
106
59
2015­12­18 Review for Triangle Theorem Quiz.notebook
2.
2x + 11
39
3.
3x
2x + 6
December 18, 2015
2015­12­18 Review for Triangle Theorem Quiz.notebook
8x + 23
5.
7x + 1
40
4.
5x + 8
3x + 17
2x + 25
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2015­12­18 Review for Triangle Theorem Quiz.notebook
6.
5x ­ 32
x + 20
2x
7.
10x ­ 5
10
3x + December 18, 2015
2015­12­18 Review for Triangle Theorem Quiz.notebook
8)
46o
o
(x
)
+ 20
128o
December 18, 2015
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