Question 9:
In diagram below, ABC is an isosceles triangle.
![](http://pt3mathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/6/2018/07/Picture120-2.png)
Find
(a) the value of k,
(b) the length of BC.
Solution:
In diagram below, ABC is an isosceles triangle.
![](http://pt3mathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/6/2018/07/Picture120-2.png)
Find
(a) the value of k,
(b) the length of BC.
Question 10:
Diagram below shows a rhombus PQRS drawn on a Cartesian plane. PS is parallel to x-axis.
![](http://pt3mathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/6/2018/07/Picture121.png)
Given the perimeter of PQRS is 40 units, find the coordinates of point R.
Solution:
Diagram below shows a rhombus PQRS drawn on a Cartesian plane. PS is parallel to x-axis.
![](http://pt3mathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/6/2018/07/Picture121.png)
Given the perimeter of PQRS is 40 units, find the coordinates of point R.