Answer:
15.7
Step-by-step explanation:
Lets take a = 50.
Area of Sector =

Answer:

Step-by-step explanation:
we know that
In the right triangle ABC
The function sine of angle 68 degrees is equal to divide the opposite side SB by the hypotenuse AC
so

substitute the values and solve for AC



Need more info to answer ?
Answer:
I'll look into that answer
Answer:
(1/2) (4k) + 12 = 2k + 12