## Construction No. 22 - The Orthocentre of a Triangle

Finding the orthocentre of a triangle using a compass and a straight edge...

From Katie Bullen

Finding the orthocentre of a triangle using a compass and a straight edge...

From Katie Bullen

Drawing the incentre and incircle of a given triangle using only a straight edge and a compass...

From Katie Bullen

The circumcentre and circumcircle of a triangle using only a straight edge and a compass...

From Katie Bullen

Drawing a right angled triangle, given the length of the hypotenuse and one other side. The hypotenuse is opposite the right angle and the longest side...

From Katie Bullen

Drawing a triangle given two angles and the side between these two angles...

From Katie Bullen

Drawing a triangle given the lengths of two sides and the angle in between...

From Katie Bullen

Drawing a triangle given the lengths of three sides...

From Katie Bullen

Constructing a rectangle given the side lengths...

From Katie Bullen

Construction 6 is the division of a line segment into two or three equal parts and construction 7 involves dividing a line segment into any number of equal parts. Both constructions can be carried out in the same manner. Essentially to divide a line segme...

From Katie Bullen

Steps required to find the centroid of a triangle using a compass and a straight edge....

From Katie Bullen

The construction of a parallelogram, given the lengths of the sides and the measure of the angles....

From Katie Bullen

Constructing a right angled triangle, given one side and one of the acute angles...

From Katie Bullen

Constructing an angle of 60 degrees without using a protractor or a set square...

From Katie Bullen

Drawing the tangent to a given circle at a given point on it...

From Katie Bullen

The construction of an angle of a given number of degrees with a given ray as one arm....

From Katie Bullen

Constructing a line segment of a given length on a given ray...

From Katie Bullen

Drawing a line parallel to a given line through a given point using a set square...

From Katie Bullen

Outline of the steps required to draw a line parallel to a given line through a given point, using a compass and a straight edge...

From Katie Bullen

An outline of the steps required to draw a line perpendicular to a given line through a given point not on the line, using a straight edge and a ruler....

From Katie Bullen

Steps required to construct a line perpendicular to a given line, passing through a given point on the line, using a set square....

From Katie Bullen

An outline of the steps required to construct the bisector of any given angle using only a compass and a straight edge....

From Katie Bullen

An outline of the required steps to construct the perpendicular bisector of a given line segment, using only a compass and a straight edge. A perpendicular bisector passes through the midpoint of the line segment and meets the line at an angle of 90 degr...

From Katie Bullen

Steps required to construct a line perpendicular to a given line, passing through a given point, not on the given line using a set square. This method cannot be used if asked to use a compass and a straight edge....

From Katie Bullen

Steps required to construct a line perpendicular to a given line, passing through a given point on the line, using a compass and a straight edge....

From Katie Bullen