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 largest to smallest?

Back

Identify the angles based on their measures; the angle with the highest measure is first, followed by the next highest, and so on.

Front

What is the sum of the angles in a triangle?

Back

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

Tags

CCSS.8.G.A.5

Front

If angle A is 50 degrees and angle B is 70 degrees, what is angle C?

Back

Angle C = 180 - (50 + 70) = 60 degrees.

Tags

CCSS.7.G.B.5

Front

How do you determine the longest side of a triangle?

Back

The longest side is opposite the largest angle.

Front

What is the definition of 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 the definition of an obtuse triangle?

Back

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

Tags

CCSS.4.G.A.2

Front

What is the definition of a right triangle?

Back

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

Tags

CCSS.4.G.A.2

Front

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

Back

Identify the sides based on their lengths; the longest side is first, followed by the next longest, and so on.

Front

If side AB is 5 cm, side BC is 7 cm, and side AC is 10 cm, order the sides from longest to shortest.

Back

AC, BC, AB.