Question 12:
![](http://spmmathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/5/2016/10/Picture2-1.png)
![](http://spmmathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/5/2016/10/Picture2-1.png)
Diagram shows a square ABCD and a right-angled triangle PQR with equal area. Based on the information, find the value of x.
Hence, find the perimeter, in cm, of the square ABCD. [4 marks]
Solution:
Solution:
Perimeter of the square ABCD
= (3x + 2) × 4
= [3 (2) + 2] × 4
= 32 cm