Calculator gives me 0.6153846154
The rate of change is 2om per hour
The area of sector is 1.57 m²
<u>Explanation:</u>
Given:
Radius, r = 3 m
Central angle of a sector = 1/9π radians
Area of sector, A = ?
We know:
Area of sector, A = 
where,
α is the central angle in radians
On substituting the value we get:

Therefore, the area of sector is 1.57 m²
Answer:
A. 5
Step-by-step explanation:
because 13 is the hypotenuse and 8 is the sine