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 / 2021 / SA2 / Paper 2
– Q04 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/05/P6_SA2_2021_Catholic_High_Paper2_Q04-Qns.jpg?resize=400%2C185&ssl=1)
![P6 / CHIJ / 2019 / SA2 / Paper 2 – Q05 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/06/P6_CHIJ_2019_Prelims_Paper2_Q05-Qns-scaled.jpg?resize=400%2C260&ssl=1)