7.2.2 Geometrical Constructions, PT3 Focus Practice 2
Question 4:
Diagram below shows a parallelogram PQRS. The point T lies on PQ such that ST is perpendicular to PQ.
Using only a ruler and a pair of compasses, construct parallelogram PQRS, beginning from the lines PQ and PS provided in the answer space.
Answer:
Solution:
Question 5:
Diagram below shows a triangle ABC.
(a) Using only a ruler and a pair of compasses, construct triangle ABC, beginning with the straight line BC in the answer space.
(b) Hence, measure the length, in cm, of BA.
Answer:
(a)
Solution:
(a)
(b)
BA = 4.5 cm