Area of the circle is πr² which corresponds to an angle of 360° subtended at the center. Thus, the area of a sector subtending angle
at the centre is:

In this case put $\theta$ equal to 30°
Answer:
(-6,4)
Step-by-step explanation:
If this is the system of equations here is how:
solve for 1 vairuble in the first equation, and plug that it to the other.
Answer:
Percent Error:: 12/36 = 33 1/3 %
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
denominearar this hard
The total cost was 116% of the original bill;
Original bill was;

= <span>$22.5</span>