Triangle angle sum theorem
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What does the Triangle Angle Sum Theorem state?
Back
The Triangle Angle Sum Theorem states that the sum of all angles in a triangle is 180°.
Tags
CCSS.8.G.A.5
2.
FLASHCARD QUESTION
Front
If one angle of a triangle is 90° and another is 45°, what is the measure of the third angle?
Back
The third angle measures 45°.
Tags
CCSS.8.G.A.5
3.
FLASHCARD QUESTION
Front
What is the measure of each angle in an equilateral triangle?
Back
Each angle in an equilateral triangle measures 60°.
Tags
CCSS.8.G.A.5
4.
FLASHCARD QUESTION
Front
In a triangle, if two angles measure 30° and 60°, what is the measure of the third angle?
Back
The third angle measures 90°.
Tags
CCSS.8.G.A.5
5.
FLASHCARD QUESTION
Front
If the angles of a triangle are represented as x, 2x, and 3x, what is the value of x?
Back
x = 30°, so the angles are 30°, 60°, and 90°.
Tags
CCSS.8.G.A.5
6.
FLASHCARD QUESTION
Front
What is the relationship between the angles in a right triangle?
Back
In a right triangle, one angle is 90°, and the sum of the other two angles is 90°.
Tags
CCSS.8.G.A.5
7.
FLASHCARD QUESTION
Front
If one angle of a triangle is 70° and another is 50°, what is the measure of the missing angle?
Back
The missing angle measures 60°.
Tags
CCSS.8.G.A.5
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