Triangle Assessment

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

If one angle of a triangle is 30 degrees, what is the measure of the other two angles if the triangle is a right triangle?

Back

The other two angles must be 60 degrees and 90 degrees.

Front

What is a scalene triangle?

Back

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

Front

How do you calculate the distance between two points (x1, y1) and (x2, y2)?

Back

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.

Front

What is the definition of an obtuse triangle?

Back

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

Front

What is the Pythagorean theorem?

Back

Front

If two angles of a triangle are 50 degrees and 60 degrees, what is the measure of the third angle?

Back

The third angle is 70 degrees, since the sum of angles in a triangle is 180 degrees.

Front

What is the formula for the area of a triangle?

Back

Front

What is an equilateral triangle?

Back

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