September 15th: Exterior Angle Theorem & Base Angle Theorem

September 15th: Exterior Angle Theorem & Base Angle Theorem

Assessment

Flashcard

Mathematics

10th Grade

Practice Problem

Hard

CCSS
8.G.A.5

Standards-aligned

Created by

Wayground Content

FREE Resource

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15 questions

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1.

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

2.

FLASHCARD QUESTION

Front

What is the Base Angle Theorem?

Back

The Base Angle Theorem states that in an isosceles triangle, the angles opposite the equal sides are also equal.

3.

FLASHCARD QUESTION

Front

If angle A and angle B are the base angles of an isosceles triangle, what can be said about their measures?

Back

Angle A = Angle B.

4.

FLASHCARD QUESTION

Front

How do you find the measure of an exterior angle of a triangle?

Back

To find the measure of an exterior angle, add the measures of the two non-adjacent interior angles.

Tags

CCSS.8.G.A.5

5.

FLASHCARD QUESTION

Front

If one interior angle of a triangle is 40° and another is 60°, what is the measure of the exterior angle adjacent to the 60° angle?

Back

The exterior angle is 80° (40° + 60°).

Tags

CCSS.8.G.A.5

6.

FLASHCARD QUESTION

Front

In a triangle, if one angle measures 70°, what is the sum of the measures of the other two angles?

Back

The sum of the other two angles is 110° (180° - 70°).

Tags

CCSS.8.G.A.5

7.

FLASHCARD QUESTION

Front

What is the relationship between the angles in an isosceles triangle?

Back

The angles opposite the equal sides are equal.

Tags

CCSS.8.G.A.5

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