12.3 Other Constructions

construction of parallel lines and the relationship between this and a rhombus

look at Figure and paper folding

ANGLE BISECTORS

construction of an angle bisector

look at Figure —paper folding

PERPENDICULAR LINES

construction of perpendicular lines

look at Figures

ALTITUDE OF A TRIANGLE

construction of an altitude (of a triangle) in two ways

a) with a compass—

i) acute

ii) obtuse

b) MIRA