Question 13:
Diagram shows a composite solid formed by joining a quarter cylinder and a cuboid which lies on the horizontal plane.
![](http://spmmatematik.blog.onlinetuition.com.my/wp-content/uploads/sites/9/2019/09/Picture18.png)
It is given that the height of the cuboid is 9 cm and the volume of the composite solid is
Using , calculate the height, in cm, of the quarter cylinder.
Solution:
Diagram shows a composite solid formed by joining a quarter cylinder and a cuboid which lies on the horizontal plane.
![](http://spmmatematik.blog.onlinetuition.com.my/wp-content/uploads/sites/9/2019/09/Picture18.png)
It is given that the height of the cuboid is 9 cm and the volume of the composite solid is
Using , calculate the height, in cm, of the quarter cylinder.
Solution: