Question:
A unit shape in the form of a right-angled triangle is drawn in the dot paper below.
A quadrilateral formed when 2 such unit shapes are joined together as shown below has 2 lines of symmetry,
Using the smallest number of unit shapes, a pencil, ruler and the given dots, form another 3 different quadrilaterals in the dot paper below such that:
(a) the quadrilateral formed has no line of symmetry
(b) the quadrilateral formed has one line of symmetry
(c) the quadrilateral formed has four lines of symmetry
Solution:
![P6 / Catholic High / 2020 / SA2 Prelims / Paper 2 – Q12 [4 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/06/P6_SA2_2020_Catholic_High_Paper2_Q12-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / ACS / 2018 / SA2 / Paper 2 – Q03 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2019/07/P6_ACS_2018_Prelims_Paper2_Q03.jpg?resize=400%2C260&ssl=1)