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20 questions
Will the following three angles for a triangle?
30°, 60°, 90°
yes
no
Which of the following is false?
A triangle can be drawn with 3 acute angles.
A triangle can be drawn with 2 obtuse and one acute angles.
A triangle can be drawn with only one obtuse angle and two acute angles.
A triangle can be drawn with only one right angle and two acute angles.
A student is trying to construct triangles using four different sets of angles. The angles in each set are given below. Which set will form a triangle?
45°, 65°, 70°
150°, 110°, 100°
50°, 50°, 50°
90°, 90°, 90°
A triangle has one angle that measure 81° and one that measures 37°. What is the measure of the third angle?
62°
76°
118°
99°
Will these three sides form a triangle?
yes
no
Will these side lengths form a triangle?
yes
no
Will these line segments form a triangle?
yes
no
Does a triangle with these
side lengths exist?
(Don't fall for this one.)
0, 11, 12
Yes
No
I don't know.
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