Angles in a Triangle Equations

Front

What is the sum of the angles in a triangle?

Back

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

Tags

CCSS.8.G.A.5

Front

If one angle in a triangle is 90 degrees, what type of triangle is it?

Back

It is a right triangle.

Tags

CCSS.4.G.A.2

Front

What is an 'Acute' Angle?

Back

An angle that measures less than 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is an 'Obtuse' Angle?

Back

An angle that measures more than 90 degrees but less than 180 degrees.

Tags

CCSS.4.G.A.1

Front

What is an 'Equilateral' Triangle?

Back

A triangle where all three sides and angles are equal.

Tags

CCSS.4.G.A.2

Front

What is an 'Isosceles' Triangle?

Back

A triangle with at least two sides of equal length and two equal angles.

Tags

CCSS.4.G.A.2

Front

What is a 'Scalene' Triangle?

Back

A triangle with all sides and angles of different lengths and measures.

Tags

CCSS.4.G.A.2

Front

How do you find the missing angle in a triangle?

Back

Subtract the sum of the known angles from 180 degrees.

Tags

CCSS.8.G.A.5

Front

If two angles in a triangle are 55 degrees and 90 degrees, what is the third angle?

Back

The third angle is 35 degrees.

Tags

CCSS.8.G.A.5

Front

What is the formula for finding the angles in an isosceles triangle?

Back

The two equal angles can be found using the formula: (180 - base angle) / 2.

Tags

CCSS.8.G.A.5