Congruent Triangles

Congruent Triangles

Assessment

Flashcard

Mathematics

9th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What are congruent triangles?

Back

Triangles that have the same size and shape, meaning their corresponding sides and angles are equal.

2.

FLASHCARD QUESTION

Front

What is the Reflexive Property in geometry?

Back

A property stating that any geometric figure is congruent to itself, e.g., AB ≅ AB.

3.

FLASHCARD QUESTION

Front

What is the Transitive Property of congruence?

Back

If triangle A is congruent to triangle B, and triangle B is congruent to triangle C, then triangle A is congruent to triangle C.

4.

FLASHCARD QUESTION

Front

How do you classify triangles by their angles?

Back

Triangles can be classified as acute (all angles < 90°), right (one angle = 90°), or obtuse (one angle > 90°).

5.

FLASHCARD QUESTION

Front

If ∆ABC ≅ ∆XYZ, what can we say about their corresponding sides?

Back

AB ≅ XY, BC ≅ YZ, and AC ≅ XZ.

6.

FLASHCARD QUESTION

Front

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

Back

The sum of the interior angles of a triangle is always 180°.

7.

FLASHCARD QUESTION

Front

How do you solve for an unknown angle in a triangle?

Back

Subtract the sum of the known angles from 180° to find the unknown angle.

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