Geometry Triangle Vocabulary

A segment that bisects one of the angles of a triangle

• Angle Bisector

• Perpendicular Bisector

• Altitude

• Midsegment

Which line segment is perpendicular?

• FG

• GH

• JG

• none

The figure is an example of a(n) ...

• altitude 

• perpendicular bisector

• midsegment

• angle bisector

A perpendicular segment from a vertex to the line containing the opposite side (the height of a triangle).

• Angle Bisector

• Perpendicular Bisector

• Altitude

• Midsegment

I have been given a hypotenuse in this 45-45-90 triangle.  How do I find the length of a leg of the triangle?

• Multiply by √2

• Divide by √2

• It's the same length as the hypotenuse.

• Divide by 2

A segment that is perpendicular to a side of a triangle at its midpoint

• Angle Bisector

• Perpendicular Bisector

• Altitude

• Median

A segment from a vertex of a triangle and the midpoint of the opposite side.

• Angle Bisector

• Perpendicular Bisector

• Altitude

• Median

The sum of all three angles of any triangle is exactly:

• 360^o

• 180^o

• 540^o

• 720^o

The figure is an example of a(n) ...

• angle bisector

• midsegment

• altitude

• median

• 8.5

• 8

• 33

• 7