Answer:
18°
Step-by-step explanation:
A diameter cuts a circle into two arcs that are each 180°. An inscribed angle that intercepts an arc of 180° has a measure of 90°. Thus we have ...
... 5x = 90°
.. 90°/5 = x = 18°
444..etc. etc. thats what i thought its simple really.
What do you need help with?
Answer: B
Step-by-step explanation:
I used heron's formula.