4 triangle congruence + measures

Front

What is a right triangle?

Back

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

Front

What are the properties of congruent triangles?

Back

In congruent triangles, the measures of corresponding parts (sides and angles) are always equal.

Front

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

Back

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

Front

Define an acute triangle.

Back

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

Front

Define an obtuse triangle.

Back

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

Front

What is a scalene triangle?

Back

A scalene triangle is a triangle where all three sides are of different lengths.

Front

What is an equilateral triangle?

Back

An equilateral triangle is a triangle where all three sides are of equal length and all angles are 60 degrees.

Front

If two angles of a triangle are 45 degrees each, what type of triangle is it?

Back

It is a right triangle.

Front

What is the measure of angle S if the other two angles are 60 degrees and 60 degrees?

Back

Angle S measures 60 degrees.

Front

Back