Answer:
6.28 or 157/25
Step-by-step explanation:
Firstly, you find the formula for the circumference of a circle which is C= PI ( diameter)
So since the radius is 1 you multiply it by 2 and get 2 so then you multiply 2 by 3.14 (pi) and get 6.28
I hope this helped!!!

Answer:
25
Step-by-step explanation:
Let's call the missing side (the hypotenuse) c.
c² = 7²+24² (according to the pythagorean theorem)
c= 
c=25
Answer:
a c e
Step-by-step explanation:
Answer:
(1, 0)
Step-by-step explanation:
I can't really explain it on here with it making sense but just plug in the numbers into the formula and it should be easy from there