Triangle Sum Theorem
Flashcard
•
Mathematics
•
7th - 8th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
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15 questions
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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.
2.
FLASHCARD QUESTION
Front
If one angle of a triangle is 90 degrees, what can you say about the other two angles?
Back
The other two angles must sum to 90 degrees, making the triangle a right triangle.
3.
FLASHCARD QUESTION
Front
What is the measure of the third angle if two angles of a triangle are 45 degrees and 55 degrees?
Back
The third angle measures 80 degrees, calculated as 180 - (45 + 55).
4.
FLASHCARD QUESTION
Front
How do you find the measure of an unknown angle in a triangle?
Back
Subtract the sum of the known angles from 180 degrees.
5.
FLASHCARD QUESTION
Front
If angle A is 30 degrees and angle B is 70 degrees, what is angle C?
Back
Angle C is 80 degrees, calculated as 180 - (30 + 70).
6.
FLASHCARD QUESTION
Front
What is the relationship between the angles in an isosceles triangle?
Back
In an isosceles triangle, the two angles opposite the equal sides are equal.
7.
FLASHCARD QUESTION
Front
What is the measure of an angle in an equilateral triangle?
Back
Each angle in an equilateral triangle measures 60 degrees.
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