Question 4:
In the diagram below, KLMNP is a regular pentagon. LKS and MNQ are straight lines.![](http://pt3mathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/6/2015/09/Picture20.png)
Find the value of x + y.
Solution:
Question 5:
In Diagram below, PQR is an isosceles triangle and PRU is a straight line.![](http://pt3mathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/6/2015/09/Picture21.png)
Find the value of x + y.
Solution:
Question 6:
In diagram below, PQRSTU is a regular hexagon QUV is a straight line.
![](http://pt3mathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/6/2018/01/Picture100-292x300.png)
Find the value of x.
Solution:
In diagram below, PQRSTU is a regular hexagon QUV is a straight line.
![](http://pt3mathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/6/2018/01/Picture100-292x300.png)
Find the value of x.
Solution: