Relationships in Triangles

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
+3
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What do the angles in an equilateral triangle measure?
Back
60°, 60°, 60°
Tags
CCSS.8.G.A.5
2.
FLASHCARD QUESTION
Front
What is the Exterior Angle Theorem?
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
3.
FLASHCARD QUESTION
Front
If one angle of a triangle measures 50° and another measures 60°, what is the measure of the third angle?
Back
70°
Tags
CCSS.8.G.A.5
4.
FLASHCARD QUESTION
Front
What is the sum of the interior angles of a triangle?
Back
180°
Tags
CCSS.8.G.A.5
5.
FLASHCARD QUESTION
Front
In a right triangle, what is the relationship between the angles?
Back
One angle measures 90°, and the other two angles are complementary (sum to 90°).
Tags
CCSS.7.G.B.5
6.
FLASHCARD QUESTION
Front
What is the Pythagorean Theorem?
Back
In a right triangle, a² + b² = c², where c is the hypotenuse.
Tags
CCSS.8.G.B.8
7.
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°.
Tags
CCSS.8.G.A.5
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