(Honors) Triangle Angle Sum, Ext Angle Thm, Isos & Equil Trian

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Mathematics
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What does the Triangle Sum Theorem state?
Back
The sum of the interior angles of a triangle is always 180°.
2.
FLASHCARD QUESTION
Front
What is the measurement of the missing angle in a triangle if the other two angles are 50° and 100°?
Back
30°
3.
FLASHCARD QUESTION
Front
If two angles of a triangle measure 45° and 45°, what is the measure of the third angle?
Back
90°
4.
FLASHCARD QUESTION
Front
In an isosceles triangle, if the base angles are each 30°, what is the measure of the vertex angle?
Back
120°
5.
FLASHCARD QUESTION
Front
What is the measure of each angle in an equilateral triangle?
Back
Each angle measures 60°.
6.
FLASHCARD QUESTION
Front
If an isosceles triangle has a vertex angle of 40°, what are the measures of the base angles?
Back
Each base angle measures 70°.
7.
FLASHCARD QUESTION
Front
What is the Exterior Angle Theorem?
Back
The measure of an exterior angle is equal to the sum of the measures of the two non-adjacent interior angles.
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