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:
60°
Step-by-step explanation:
90°+30°=120°
180°_120°=60°
Answer:
621/87=7.13793103448
Step-by-step explanation:
I divided it and got this answer