Use Cymath to get your answer
Answer:
f9
Step-by-step explanation:
If the diameter of the smaller circle is 3.5cm, that means the radius is 1.75cm.
The area of the smaller circle is π × 1.75², which is ≈ 9.62112750162.
The diameter of the larger circle is 12.5 cm, so the radius would be half that, which is 6.25cm. The area of the larger circle would be π × 6.25², which is ≈ 122.718463031.
So now that we know the area of the larger circle and the smaller circle, we can find the area of the shaded region by subtracting the area of the smaller circle from the area of the larger circle, which is basically just 122.718463031 - 9.62112750162, which is = 113.097336. The closest answer here is 113.04, hence the answer is 113.04cm².
Answer:
Option B is correct
Step-by-step explanation:
Given:
is the result of the composition
.
Also, 
To find: 
Solution:
Take 
Now check whether
is equal to
or not.
First find 

Also, 
Therefore,

So,
Option B is correct