Special Properties of Triangles

• an angle bisector of the triangle

• a perpendicular bisector of the triangle

• a median of the triangle

• an altitude of the triangle

• a midsegment of the triangle

• an angle bisector of the triangle

• a perpendicular bisector of the triangle

• an altitude of the triangle

• a median of the triangle

• a midsegment of the triangle

• an angle bisector of the triangle

• a perpendicular bisector of the triangle

• an altitude of the triangle

• a median of the triangle

• a midsegment of the triangle

In the given figure, which point of concurrency is point I?

• centroid

• circumcenter

• incenter

• orthocenter

If JL=10 what is JK in simplest radical form.

(Hint what kind of special triangle is this)

• 5

ΔEFD is a special triangle. What is the measure of ED?

• 15

• 10

Find the length of the other leg of the given triangle.

(HINT: 30-60-90 Triangle Theorem)

In the given figure, which point of concurrency is point O?

• centroid

• circumcenter

• incenter

• orthocenter

In the given figure, which point of concurrency is point G?

• centroid

• circumcenter

• incenter

• orthocenter

Which point of concurrency is the center of a circle drawn around a triangle intersecting the vertices of the triangle

• centroid

• circumcenter

• incenter

• orthocenter