WEEK 7: REVIEWS OF FIRST HALF LESSON
WEEK 8
CONSTRUCTION
To construct a geometrical figure means to draw it accurately. Generally, to carry out a construction, you required a sharp pencil, compasses, protractor and good ruler. Other mathematical instruments or equipment such as set square, dividers and so on may also be necessary.
The ruler: is used for drawing straight line and also for measuring lengths in both centimeters and inches.
Protractor: A protractor is used for measuring and constructing angles.
Pencil: A pencil with a sharp point is used for drawing straight and curved lines. Drawing pencil may be soft or hard.
A B A B
ANGLE 300 ANGLE 900
A B
ANGLE 600
Do these