Question
Michael uses identical shaded and unshaded triangles to form figures that follow a pattern as shown below.
(a) The table shows the number of shaded and unshaded triangles for the first three figures. Complete the table for Figure 4.
(b) A figure in the pattern has a total of 529 shaded triangles. What is the Figure Number?
(c) Another figure in the pattern has a total of 63 unshaded triangles. What is the total number of shaded and unshaded triangles in this figure?
Solution
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Q12 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/06/P6_SA2_2021_Henry_Park_Paper1_Q12-Qns.jpg?resize=400%2C260&ssl=1)