6.1 and 6.3

Front

What is a line, segment, or ray that passes through the midpoint of a side and creates a 90 degree angle with that side?

Back

Perpendicular bisector

Front

What is the measure of ∠HKG if HK is an altitude in ΔGHI?

Back

90°

Front

What is a line, segment, or ray that divides an angle in half?

Back

Angle bisector

Front

If G is the centroid of triangle ABC and GF= 4, what is the length of GC?

Back

8

Front

Do you have enough info to conclude that C is on the perpendicular bisector of AB?

Back

Yes

Front

What is the definition of a perpendicular bisector?

Back

A line that divides a segment into two equal parts at a 90 degree angle.

Front

What is the definition of an angle bisector?

Back

A line that divides an angle into two equal angles.

Front

What is the centroid of a triangle?

Back

The point where the three medians intersect.

Front

What is the relationship between the lengths of segments created by a centroid in a triangle?

Back

The centroid divides each median into two segments, with the longer segment being twice the length of the shorter segment.

Front

What is an altitude in a triangle?

Back

A perpendicular segment from a vertex to the line containing the opposite side.