Answer:
C
Step-by-step explanation:
∠CDE = 0.5( mEC - m CE )
The arcs CE and EC must add to 360°, thus
arc EC = 360° - 105° = 255°, hence
∠CDE = 0.5(255 - 105)° = 0.5 × 150° = 75° → C
It would be 3.25 because you can’t round 0.001 up
Answer:
c
Step-by-step explanation:
Answer: 10
Step-by-step explanation: