Radius of the pan = 16cm
Formula for area of circle:

Find the area of the pan:

A straight angle is 180 degrees in a right angle is 90 degrees
Hope this helps you...!!!
Answer:
The number is 3
Step-by-step explanation:
3 times 3 is 9
6 times 3 is 18
the difference between 9 and 18 is 9 therefore the number is 3