Answer:

Step-by-step explanation:
According to congruent chords and arcs theorem, if
then
.
This means that
Thus:
(full circle = 360°)



Plug in the values into the equation


Add like terms

Subtract 36 on both sides


Divide both sides by 12

Answer:
I think its j
Step-by-step explanation:
Answer:
d
Step-by-step explanation:
ㅎㅊㄹㅇ효율ㅗㅇㅗㄴㅎㅊㅗ어ㅐ더랴ㅜㄷ훨씬ㅓ로랴류ㅑ류래ㅗㅎ7어ㅗㄹ6휴러ㅓ훠래라7하래러ㅐㅜ여ㅜㅏ
The reflection across the x-axis only change the signal of the y coordinate. Hence, the new point is

.