Triangle Sum, Exterior Angle and Isosceles Triangle Theorem
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
Standards-aligned
Wayground Content
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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
What is an Exterior Angle of a triangle?
Back
An Exterior Angle of a triangle is formed by one side of the triangle and the extension of an adjacent side. The measure of an exterior angle is equal to the sum of the measures of the two opposite interior angles.
Tags
CCSS.8.G.A.5
3.
FLASHCARD QUESTION
Front
What is the Isosceles Triangle Theorem?
Back
The Isosceles Triangle Theorem states that in an isosceles triangle, the angles opposite the equal sides are also equal.
Tags
CCSS.HSG.CO.C.9
4.
FLASHCARD QUESTION
Front
If one angle of a triangle is 60 degrees, what is the maximum possible measure of the other two angles?
Back
The maximum possible measure of the other two angles is 120 degrees, as the sum of all angles must equal 180 degrees.
Tags
CCSS.8.G.A.5
5.
FLASHCARD QUESTION
Front
How do you find the measure of an unknown angle in a triangle?
Back
To find the measure of an unknown angle in a triangle, subtract the sum of the known angles from 180 degrees.
Tags
CCSS.8.G.A.5
6.
FLASHCARD QUESTION
Front
What is the relationship between the exterior angle and the interior angles of a triangle?
Back
The exterior angle of a triangle is equal to the sum of the two opposite interior angles.
Tags
CCSS.8.G.A.5
7.
FLASHCARD QUESTION
Front
If two angles of a triangle are 35 degrees and 70 degrees, what is the measure of the third angle?
Back
The third angle measures 75 degrees, calculated as 180 - (35 + 70).
Tags
CCSS.8.G.A.5
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