Triangle sum and Exterior Angle Theorem

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is the Triangle Sum Theorem?
Back
The Triangle Sum Theorem states that the sum of the interior angles of a triangle is always 180 degrees.
Tags
CCSS.8.G.A.5
2.
FLASHCARD QUESTION
Front
If one angle of a triangle is 90 degrees, what type of triangle is it?
Back
It is a right triangle.
Tags
CCSS.4.G.A.2
3.
FLASHCARD QUESTION
Front
What is an exterior angle of a triangle?
Back
An exterior angle is formed by one side of a triangle and the extension of an adjacent side.
4.
FLASHCARD QUESTION
Front
What does the Exterior Angle Theorem state?
Back
The Exterior Angle Theorem states that the measure of an exterior angle is equal to the sum of the measures of the two non-adjacent interior angles.
Tags
CCSS.8.G.A.5
5.
FLASHCARD QUESTION
Front
If angle A = 50 degrees and angle B = 60 degrees, what is angle C in triangle ABC?
Back
Angle C = 180 - (50 + 60) = 70 degrees.
Tags
CCSS.8.G.A.5
6.
FLASHCARD QUESTION
Front
How do you find the measure of an exterior angle if the interior angles are 40 degrees and 70 degrees?
Back
The exterior angle = 40 + 70 = 110 degrees.
Tags
CCSS.8.G.A.5
7.
FLASHCARD QUESTION
Front
What is the relationship between the angles in a triangle?
Back
The sum of the angles in a triangle is always 180 degrees.
Tags
CCSS.8.G.A.5
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