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18 questions
Find the missing angle measure.
40º
90º
130º
50º
Find the missing angle measure.
65º
165º
130º
15º
Find the value of x (hint: exterior angle theorem)
A
B
C
D
Solve for x
60
120
40
65
A triangle has one angle that measure 45° and one that measures 60°. What is the measure of the third angle?
135°
75°
120°
105°
A right triangle has ...
one right angle
three acute angles
two right angles
three obtuse angles
How do you classify this triangle?
acute
obtuse
right
scalene
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