Answer:

Step-by-step explanation:
Divide both sides by 

Simplify:
; 
This equation has an infinite number of solutions, so it will be categorized as an identity.
Answer:

Step-by-step explanation:
Area of a circle with radius
: 
Circumference of a sector with radius
: 
Area of sector with angle
:
.
Arc length of sector with angle
: 
Using these equations, we get the following information:
Area of circle: 
Circumference of a circle: 
Area of sector: 
Arc length of sector: 
I hope this helps you
0,2 close 1
0,2>0,04