Answer:
The area of the shape is 
Step-by-step explanation:
we know that
The area of the shape is the area of a three quarter of circle
The area of a three quarter of circle is equal to

we have

substitute

1. 64y^9
2.256u^12v^4
3.8a^3b^4 * b^4
4. vu^4 * 8vu^6
Answer:
5.04 or 5 1/25 is a rational number
Step-by-step explanation: