<span>36% of 6.8 36% that is what I got</span>
The answer to this question would be C, 9. The reason for is cause you remove the parentheses then add the numbers 1.2 + 7.8=9.
So the total is 120. You want 1/6 of those.
So do (1/6)*120
You get 20.
YAY
Central angle is twice an inscribed angle subtended by the same arc.
Therefore ∠CAB = 2∠CDB.
∠CAB = 45° → ∠CDB = 45° : 2 = 22.5°
Answer: C.