Triangles and Angles Practice

Front

What is a triangle?

Back

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

Tags

CCSS.2.G.A.1

Front

What are the types of triangles based on sides?

Back

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

Tags

CCSS.4.G.A.2

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

Front

What is the sum of the angles in a triangle?

Back

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

Tags

CCSS.8.G.A.5

Front

How do you find a missing angle in a triangle?

Back

Subtract the sum of the known angles from 180 degrees.

Tags

CCSS.8.G.A.5

Front

What is an isosceles triangle?

Back

An isosceles triangle has at least two sides that are equal in length.

Tags

CCSS.4.G.A.2

Front

What is an equilateral triangle?

Back

An equilateral triangle has all three sides of equal length and all angles measuring 60 degrees.

Tags

CCSS.4.G.A.2

Front

What is a right triangle?

Back

A right triangle has one angle that measures exactly 90 degrees.

Tags

CCSS.4.G.A.2

Front

What is a scalene triangle?

Back

A scalene triangle has all sides of different lengths and all angles of different measures.

Tags

CCSS.4.G.A.2

Front

What is an acute triangle?

Back

An acute triangle has all angles measuring less than 90 degrees.

Tags

CCSS.4.G.A.2