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Course Content
Algebra 1
0/14
Algebra 2
0/16
Trigonometry 1
0/18
Coordinate Geometry of the Line
0/14
Probability 1
0/14
Geometry 1
0/6
Differential Calculus
0/10
Trigonometry 2
0/10
Sequences & Series
0/12
Statistics 1
0/9
Coordinate Geometry of the Circle
0/14
Algebra 3
0/16
Complex Numbers
0/12
Geometry 2
0/4
Integration
0/8
Differential Calculus Applications
0/8
Financial Maths
0/8
Length, Area & Volume
0/6
Probability 2
0/9
Functions
0/15
Statistics 2
0/4
Inferential Statistics
0/6
Digital Lessons

Knowledge Check Quiz

#### EXAMS.IE

##### Triangle Concurrencies

Hint

The finger should be placed at the centre of mass.

1 / 5

If I cut a piece of cardboard into a triangle, at which of the following points do I need to place my finger in order for it to balance on my finger?

Hint

This point is concurrent with the angle bisectors.

2 / 5

Which of the following points is the centre of a circle that is located inside the circle and that touches each side?

Hint

This point is concurrent with the perpendicular bisectors.

3 / 5

Which of the following points is the centre of a circle that is located outside the circle and that touches each side?

Hint

An altitude is a perpendicular line that passes through the opposite corner.

4 / 5

Which of the following points is concurrent with the three altitudes of a triangle?

Hint

A mediator is a line from the midpoint that passes through the opposite corner.

5 / 5

Which of the following points is concurrent with the three mediators of a triangle?