Saturday, 27 September 2014

2-to-3 Quiz (Revision) Construction

Question 1

To construct the figure:
(i) Measure and draw line AB using ruler.

(ii) Measure and draw angle ABC using protractor.

(iii) Stretch the 2 arms of the compass to measure 5.2 cm and mark an arc on the line BC. Label it point C.

Here are 2 ways of drawing the parallel line DC
(iv) Use a protractor to draw angle BCD
OR
(iv) Use a set-square and ruler to draw line CD

(v) Stretch the 2 arms of the compass to measure 3.8 cm, place the sharp end at "C" and mark an arc on the line DC. Label it point D.

(vi) Join A and D to complete the figure.



Question 2

Three properties to take note of:

  • Diagonals of the rhombus bisect each other
  • Diagonals of the rhombus are perpendicular to each other
  • Opposite angles are equal




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