What is the measure of each angle in an equilateral triangle?

Each angle in an equilateral triangle measures $$60\text{°}$$ .

What is the formula for the sum of interior angles of a polygon?

The sum of the interior angles of a polygon with $$n$$ sides is given by the formula $$(n-2) \times 180\text{°}$$ .

What is the measure of an exterior angle of a triangle?

The measure of an exterior angle of a triangle is equal to the sum of the measures of the two opposite interior angles.

What is the relationship between interior and exterior angles?

Each interior angle and its corresponding exterior angle are supplementary, meaning they add up to $$180\text{°}$$ .

What is the measure of the angles in a right triangle?

In a right triangle, one angle is $$90\text{°}$$ , and the sum of the other two angles is $$90\text{°}$$ .

What is the measure of the angles in a triangle with angles 45°, 45°, and 90°?

The angles measure 45°, 45°, and 90°, making it a right isosceles triangle.

Sum of Interior Angle Flashcards

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the sum of the interior angles of a triangle?

Back

2.

FLASHCARD QUESTION

Front

What is an acute angle?

Back

3.

FLASHCARD QUESTION

Front

What is an obtuse angle?

Back

4.

FLASHCARD QUESTION

Front

What is a right angle?

Back

5.

FLASHCARD QUESTION

Front

What is a straight angle?

Back

6.

FLASHCARD QUESTION

Front

How do you find the measure of a missing angle in a triangle?

Back

7.

FLASHCARD QUESTION

Front

What is the condition for three angles to form a triangle?

Back

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