Area of the full circle would be PI x r^2 = PI x 6^2 = 36 *3.14 = 113.04
the angle is 165
so area = 165/360 x 113.04
area = 51.8 in^2
answer is B
Answer:
divide i think or minus
Step-by-step explanation:
we can factor the whole thing:
(2sin(x) -1)(sin(x)+1) = 0.
Therefore, sin(x) = -1 and sin(x) = 1/2.
For the first one x = 3π/2 and the second is π/6 and 5π/6
So 3π/2, π/6 and 5π/6 are the solutions.
I do kind of have a problem with this because it doesn't mention if you should go over 360°. Otherwise, you have to add in an 2nπ into the equations like 3π/2 + 2nπ;
but I don't know if that is necessary for you.
The EXACT ratio is 7.7:1, but you can round it up to about 8:1