Ordering Sides and Angles of a Triangle

Front

What is the relationship between the angles and sides of a triangle?

Back

In a triangle, the largest angle is opposite the longest side, and the smallest angle is opposite the shortest side.

Tags

CCSS.HSG.CO.C.10

Front

How do you order angles in a triangle from smallest to largest?

Back

To order angles from smallest to largest, compare their measures; the angle with the smallest measure comes first.

Front

How do you order sides in a triangle from longest to shortest?

Back

To order sides from longest to shortest, compare their lengths; the side with the longest length comes first.

Front

What is the sum of the angles in a triangle?

Back

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

Tags

CCSS.8.G.A.5

Front

What is an acute triangle?

Back

An acute triangle is a triangle where all three angles are less than 90 degrees.

Tags

CCSS.4.G.A.2

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle equal to 90 degrees.

Front

What is an obtuse triangle?

Back

An obtuse triangle is a triangle where one angle is greater than 90 degrees.

Tags

CCSS.4.G.A.2

Front

How can you determine if a triangle is scalene?

Back

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

Tags

CCSS.4.G.A.2

Front

How can you determine if a triangle is isosceles?

Back

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

Tags

CCSS.2.G.A.1

Front

How can you determine if a triangle is equilateral?

Back

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

Tags

CCSS.4.G.A.2