It is 9/4π ft².
Since the central angle is 40°, this is 40/360 = 1/9 of the circle.
The area of the circle is given by A=πr²; since r=9/2, we have
A=π(9/2)² = 81/4π
Multiplying this by 1/9,
81/4π(1/9) = 81/36π = 9/4π
Answer:
This is not possible with 2 equal symbols
Answer:
Step-by-step explanation:
its 21
Answer:
17+5=17+5
No matter what order you put them it will always be the same
Answer: -30, -10, 15, 20
Step-by-step explanation: