
is in the 3rd quadrant... (It is also 210 degrees)
To find the reference angle (which is the distance to the x-axis)

(or 30 degrees)
sin
Answer:
22.2 ft²
Step-by-step explanation:
The area (A) of a sector is calculated as
A = area of circle × fraction of circle
= πr² × 
= π × 7.13² × 
=
≈ 22.2 ft² ( nearest tenth )
Answer:
Mixed numbers[edit]. A mixed numeral ( also called a mixed fraction or mixed number) is a traditional denotation of the sum ...