Answer:
36.89°
Step-by-step explanation:
tan x = 15/20=3/4
x = 36.89
So the circumference of a circle is C=2 times pi times the radius. in this case it would be C= 2(pi)(4) which is 25.1 :)
Answer:
30:1
Step-by-step explanation:
45*12 = 540
540/18 = 30