Key Concepts Quiz 11.3
Key Concepts Quiz 11.3
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Use the document below to help answer questions 1 to 3:

Medians Altitudes and Angle Bisectors of a Triangle Worked Example (16.0K)

 1 A median of a triangle is a line drawn from a vertex A) to the midpoint of the opposite side. B) forming a right angle with the opposite side. C) bisecting the angle at the vertex. D) dividing the opposite side into the proportion 2:1. 2 An altitude of a triangle is a line drawn from a vertex A) to the midpoint of the opposite side. B) forming a right angle with the opposite side. C) bisecting the angle at the vertex. D) dividing the opposite side into the proportion 2:1. 3 An angle bisector of a triangle is a ray drawn from a vertex A) to the midpoint of the opposite side. B) forming a right angle with the opposite side. C) bisecting the angle at the vertex. D) dividing the opposite side into the proportion 2:1.

Use the document below to help answer questions 4 to 6:

Properties of Medians Altitudes and Angle Bisectors Worked Example (26.0K)

 4 In the diagram, point C is the centroid of the triangle. The ratio AC:CD is (4.0K) A) of no particular value. B) 1:1. C) 1:2. D) 2:1. 5 The area of any triangle is divided in half by A) an altitude. B) a median. C) an angle bisector. D) a centroid. 6 Point P is the centre of a circle that just touches the three sides of the triangle shown. P is at the intersection of the ___ of the triangle, and is known as the ___. (4.0K) A) altitudes, orthocentre B) medians, centroid C) angle bisectors, orthocentre D) angle bisectors, incentre