ScienceMathGeometryTriangle Angle Theorems example #39574
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Triangle Angle Theorems

Andrew Torres avatar Andrew Torres
7 September 2022
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15 test answers

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question
Which statement regarding the interior and exterior angles of a triangle is true?
answer
a. An exterior angle is supplementary to the adjacent interior angle.
question
(triangle (9x)° T:(5x)° S: (9 + x)° The value of x is _____
answer
3
question
Which is a true statement about the diagram?
answer
c. m<1 + m<2 = 180°
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x° S: 35° R: 58° What is the value of x?
answer
d. x = 93
question
Which represents an exterior angle of triangle ABF?
answer
d.
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(x + 15)° x° (4x - 20)° What is the value of x?
answer
d. x = 40
question
Given: Lines y and z are parallel, and ABC forms a triangle l. Prove: m<5 + m<2 + m<6 = 180° Which could be the missing reason in Step 3?
answer
a. alternate interior angles are congruent
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130°, x°, 134° The value of x is
answer
96
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J K M L Which statement regarding the diagram is true?
answer
b. m
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X, Y, Z If the m
answer
d. m
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Which angle has a measure equal to the sum of m
answer
a.
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x° P: 38° O: 39° Which statement about the value of x is true?
answer
a. x > 38
question
Which statements are always true regarding the diagram? Check all that apply.
answer
m<5 + m<3 = m<1 m<5 + m<6 = 180° m<2 + m<3 = m<6 m<2 + m<3 + m<5 = 180°
question
D A B E C F Which angle's measures is equal to the sum of the measures of
answer
b.
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W X Y Z Which statement regarding the diagram is true?
answer
c. m