Answer:
sqrt7/4
Step-by-step explanation:
sin is opposite/hypotenuse which means sqrt63/12 then sqrt63=3sqrt 7 and simplifies get (sqrt7)/4 Done!
-3
as shown in the picture
They are adjacent.
Answer: I think it might be 8750 ?? Sorry if its wrong :<
The area of a circle is pi × radius^2.
Diameter / 2 = radius.
4 / 2 = 2
The radius is 2. Plug this value into the area formula.
A = pi(2)^2
Area = 12.57
