x + x + 2 + x + 4 = 51
3x + 6 = 51
3x = 45
x = 15
So second number in the sequence is 15 + 2
= 17 (answer)
Answer:
B. 1
Step-by-step explanation:
Please see attachment.
Hope this helps!
If not, I am sorry.
In a circle, the measure of an inscribed angle is half the measure of the intercepted arc.
∠BCD = arc BAD/2 ⇒ arc BAD = 2*∠BCD = 2*100 = 200°
arc BCD = 360° - arc BAD = 360° - 200° = 160°
∠d = arc BCD/2 = 160/2 =
80°