Classify Triangles

Classify Triangles

Assessment

Flashcard

Mathematics

9th - 12th Grade

Practice Problem

Hard

CCSS
4.G.A.2, 8.G.A.5, 2.G.A.1

Standards-aligned

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a triangle?

Back

A triangle is a polygon with three edges and three vertices.

Tags

CCSS.2.G.A.1

2.

FLASHCARD QUESTION

Front

What are the types of triangles based on sides?

Back

1. Equilateral: All sides are equal. 2. Isosceles: Two sides are equal. 3. Scalene: All sides are different.

Tags

CCSS.4.G.A.2

3.

FLASHCARD QUESTION

Front

What are the types of triangles based on angles?

Back

1. Acute: All angles are less than 90 degrees. 2. Right: One angle is exactly 90 degrees. 3. Obtuse: One angle is greater than 90 degrees.

Tags

CCSS.4.G.A.2

4.

FLASHCARD QUESTION

Front

How do you find the missing angle in a triangle?

Back

The sum of the angles in a triangle is always 180 degrees. Subtract the sum of the known angles from 180 to find the missing angle.

Tags

CCSS.8.G.A.5

5.

FLASHCARD QUESTION

Front

If two angles of a triangle are 55 degrees and 70 degrees, what is the third angle?

Back

The third angle is 55 degrees (180 - 55 - 70 = 55).

Tags

CCSS.8.G.A.5

6.

FLASHCARD QUESTION

Front

What is an equilateral triangle?

Back

An equilateral triangle is a triangle in which all three sides are equal in length and all three angles are equal, each measuring 60 degrees.

Tags

CCSS.4.G.A.2

7.

FLASHCARD QUESTION

Front

What is an isosceles triangle?

Back

An isosceles triangle has at least two sides that are equal in length and the angles opposite those sides are equal.

Tags

CCSS.4.G.A.2

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