Question 12:
Amy will place a ball on top of a pillar in Diagram below. Table below shows the diameters of three balls X, Y and Z.
![](http://pt3mathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/6/2019/07/Picture139.png)
![](http://pt3mathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/6/2019/07/Picture143.png)
Which ball X, Y or Z, can fit perfectly on the top of the pillar? Show the calculation to support Amy’s choice.
Solution:
![](http://pt3mathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/6/2019/07/Picture141.png)
Amy will place a ball on top of a pillar in Diagram below. Table below shows the diameters of three balls X, Y and Z.
![](http://pt3mathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/6/2019/07/Picture139.png)
![](http://pt3mathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/6/2019/07/Picture143.png)
Which ball X, Y or Z, can fit perfectly on the top of the pillar? Show the calculation to support Amy’s choice.
Solution:
![](http://pt3mathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/6/2019/07/Picture141.png)
Question 13:
Diagram below shows a rim of a bicycle wheel with a diameter of 26 cm. Kenny intends to build a holder for the rim.
![](http://pt3mathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/6/2019/07/Picture140-2.png)
Which of the rim holder, X, Y or Z, can fit the bicycle rim perfectly? Show the calculation to support your answer.
Solution:
![](http://pt3mathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/6/2019/07/Picture142.png)
Diagram below shows a rim of a bicycle wheel with a diameter of 26 cm. Kenny intends to build a holder for the rim.
![](http://pt3mathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/6/2019/07/Picture140-2.png)
Which of the rim holder, X, Y or Z, can fit the bicycle rim perfectly? Show the calculation to support your answer.
Solution:
![](http://pt3mathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/6/2019/07/Picture142.png)