The answer is 75 degrees I believe.
45 + 60 + x = 180
I’m pretty sure I’m correct but I’m so sorry if I’m wrong.
Answer:
4 units.
Step-by-step explanation:
Let's use a ratio
72 : 360
8 : 40
1 : 5
The arc is
of the total circumference.

The arc length is 4
Answer:
f^-1(x)=3x
Step-by-step explanation:
y=x/3
to get the inverse function, exchange x and y,
x=y/3
solve for y, y=3x
f^-1(x)=3x
Answer:
yes it is a right triangle if you look closely at triangle ABC there is a right triangle mark the little square