Triangles Sum Theorem & Exterior Angle Theorem
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What does the Triangle Sum Theorem state?
Back
The Triangle Sum Theorem states that the sum of all angles in a triangle is 180°.
2.
FLASHCARD QUESTION
Front
If one angle of a triangle is 79° and another is 43°, what is the measure of the third angle?
Back
The third angle is 58°.
3.
FLASHCARD QUESTION
Front
What is the measure of an exterior angle of a triangle?
Back
The measure of an exterior angle of a triangle is equal to the sum of the measures of the two opposite interior angles.
4.
FLASHCARD QUESTION
Front
If two angles of a triangle are 50° and 60°, what is the third angle?
Back
The third angle is 70°.
5.
FLASHCARD QUESTION
Front
What is the formula to find the third angle in a triangle?
Back
The formula is: Third Angle = 180° - (First Angle + Second Angle).
6.
FLASHCARD QUESTION
Front
What is the sum of the angles in any triangle?
Back
The sum of the angles in any triangle is always 180°.
7.
FLASHCARD QUESTION
Front
If an exterior angle measures 120°, what is the sum of the two opposite interior angles?
Back
The sum of the two opposite interior angles is 120°.
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