5.1 - 5.3 Practice

Front

The point where the 3 perpendicular bisectors of a triangle cross is called the ___?

Back

Circumcenter

Front

What is the measure of EC if it is given that EC = 12?

Back

12

Front

Find the measure of ∠S if it is given as 58 degrees.

Back

58

Front

If m<BCA is 72, what is m<PCA?

Back

36

Front

Back

Front

What is the definition of a circumcenter?

Back

The circumcenter is the point where the perpendicular bisectors of a triangle intersect.

Front

What is the definition of an incenter?

Back

The incenter is the point where the angle bisectors of a triangle intersect.

Front

What is the definition of a centroid?

Back

The centroid is the point where the three medians of a triangle intersect.

Front

What is the relationship between the angles in a triangle?

Back

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

Front

What is the formula for finding the measure of an exterior angle of a triangle?

Back

The measure of an exterior angle is equal to the sum of the measures of the two opposite interior angles.