Special Lines and Centres of a Triangle

PM is the _________ of BC.

• height

• perpendicular bisector

• median

• altitude

BS is a/an ___________ of ΔABC.

• altitude

• median

• perpendicular bisector

• angle bisector

Which of the following is a perpendicular bisector of ΔABC?

• SR

• CR

• BQ

• AP

Which of the following is an altitude of ΔABC?

• SR

• CR

• BQ

• AP

CR is a/an _______ of ΔABC.

• median

• perpendicular bisector

• angle bisector

• altitude

Which of the following is an altitude of ΔARS?

• SR

• AB

• BQ

• CR

X and Y are the mid-points of AB and BC respectively. P is the ________ of ΔABC.

• circumcentre

• incentre

• orthocentre

• centroid

X and Y are the mid-points of AB and BC respectively. Q is the ________ of ΔABC.

• circumcentre

• incentre

• orthocentre

• centroid

Which point is the circumcentre of ΔABC?

• O

• D

• E

• B

P and Q are mid-points of AB and AC respectively.

Which point is the orthocentre of ΔABC?

• O

• P

• Q

• A