Answer:
2
Step-by-step explanation:
1/2(2/3)
3/6(4/6)
3(4)
12/6=2
Answer:
cos0 = 1
cos90 =0
so a for the first one and d for the other
Formula to find circumference is ;

Since the given circumference is 30 pi then,
30 pi = 2 pi radius.
30 = 2 radius
radius = 30/2
radius = 15
The radius is 15 for a circle tha has circumference of 30 pi
Answer:
HL
Step-by-step explanation:
It doesn't specifically mention that the Hypotenuse of the two triangles are congruent.