22-23 Unit 5 Flashcard 1 Review (5.0/5.2)

Front

What type of triangle has two sides of equal length?

Back

Isosceles Triangle: A triangle with at least two sides of equal length.

Front

What is the largest angle in a triangle?

Back

The largest angle in a triangle is opposite the longest side.

Front

What type of triangle has all sides of equal length?

Back

Equilateral Triangle: A triangle with all three sides of equal length.

Front

How do you find the measure of an angle in a triangle?

Back

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

Front

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

Back

Right Triangle: A triangle that has one angle measuring 90 degrees.

Front

What is the definition of an acute triangle?

Back

Acute Triangle: A triangle where all three angles are less than 90 degrees.

Front

What is the definition of an obtuse triangle?

Back

Obtuse Triangle: A triangle where one angle is greater than 90 degrees.

Front

What is the formula to find the missing angle in a triangle?

Back

Missing Angle = 180 - (Angle 1 + Angle 2) for two known angles.

Front

If two angles in a triangle are 34 degrees and 46 degrees, what is the measure of the third angle?

Back

The third angle is 100 degrees.

Front

What is a scalene triangle?

Back

Scalene Triangle: A triangle with all sides of different lengths.