5.3 Exit Ticket

Front

What is the circumcenter of a triangle?

Back

The circumcenter is the point at which all the perpendicular bisectors of a triangle meet.

Front

What is the incenter of a triangle?

Back

The incenter is the point at which the three angle bisectors of a triangle intersect.

Front

How do you find the length of a segment in a triangle?

Back

Use the properties of triangles, such as the Pythagorean theorem or triangle congruence.

Front

What is the measure of angle A if m∠A = 52°?

Back

The measure of angle A is 52°.

Front

If EC = 12, what is the length of segment EC?

Back

The length of segment EC is 12.

Front

What is the relationship between the angles in a triangle?

Back

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

Front

What is a perpendicular bisector?

Back

A perpendicular bisector is a line that divides a segment into two equal parts at a 90° angle.

Front

What are angle bisectors?

Back

Angle bisectors are lines that divide an angle into two equal angles.

Front

What is the significance of the circumcenter in a triangle?

Back

The circumcenter is equidistant from all three vertices of the triangle.

Front

What is the significance of the incenter in a triangle?

Back

The incenter is equidistant from all three sides of the triangle.