Triangles

Front

What are the three types of triangles based on angle measurements?

Back

Acute triangle, right triangle, obtuse triangle.

Tags

CCSS.4.G.A.2

Front

What is an obtuse triangle?

Back

A triangle that has one angle measuring more than 90 degrees.

Tags

CCSS.4.G.A.2

Front

What is an acute triangle?

Back

A triangle where all three angles measure less than 90 degrees.

Tags

CCSS.4.G.A.2

Front

What is a scalene triangle?

Back

A triangle with all sides of different lengths.

Tags

CCSS.4.G.A.2

Front

What is an isosceles triangle?

Back

A triangle with at least two sides of equal length.

Tags

CCSS.4.G.A.2

Front

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

Back

180 degrees.

Tags

CCSS.8.G.A.5

Front

How do you find the measure of 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 the classification of a triangle with angles measuring 30°, 60°, and 90°?

Back

Right triangle.

Tags

CCSS.4.G.A.2

Front

What is the classification of a triangle with side lengths of 5 cm, 5 cm, and 8 cm?

Back

Isosceles triangle.

Tags

CCSS.4.G.A.2

Front

What is the classification of a triangle with angles measuring 45°, 45°, and 90°?

Back

Right isosceles triangle.

Tags

CCSS.4.G.A.2