Triangle sum and Exterior Angle Theorem

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
Standards-aligned
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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.
Tags
CCSS.8.G.A.5
2.
FLASHCARD QUESTION
Front
If one angle of a triangle is 90 degrees, what are the measures of the other two angles?
Back
The other two angles must sum to 90 degrees, as the total must equal 180 degrees.
Tags
CCSS.8.G.A.5
3.
FLASHCARD QUESTION
Front
What is the Exterior Angle Theorem?
Back
The Exterior Angle Theorem states that the measure of an exterior angle of a triangle is equal to the sum of the measures of the two non-adjacent interior angles.
Tags
CCSS.8.G.A.5
4.
FLASHCARD QUESTION
Front
Calculate the measure of angle A if angle B is 60 degrees and angle C is 50 degrees.
Back
Angle A = 180 - (60 + 50) = 70 degrees.
Tags
CCSS.7.G.B.5
5.
FLASHCARD QUESTION
Front
What is the measure of an exterior angle if the two non-adjacent interior angles are 40 degrees and 50 degrees?
Back
The exterior angle = 40 + 50 = 90 degrees.
Tags
CCSS.8.G.A.5
6.
FLASHCARD QUESTION
Front
If angle 1 is 27 degrees, what is the measure of angle 2 if angle 1 and angle 2 are complementary?
Back
Angle 2 = 90 - 27 = 63 degrees.
Tags
CCSS.7.G.B.5
7.
FLASHCARD QUESTION
Front
What is the relationship between the angles in a right triangle?
Back
In a right triangle, one angle is 90 degrees, and the sum of the other two angles is 90 degrees.
Tags
CCSS.8.G.A.5
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