Answer:
AB = 10.83 cm
Step-by-step explanation:
From ΔABC,
m∠B = 90°
By applying sine rule in the given triangle,
sinθ = 
sin(37°) = 
AB = AC(sin37°)
AB = 18×(0.060182)
= 10.833
≈ 10.83 cm
Therefore, AB = 10.83 cm is the answer.
Answer:
B. 22 in ?
Step-by-step explanation:
circumference of the circle: 2πr
2 × π × 11 = 22π in
The answer to letter A is 9/25. I'm not sure what letter B is, sorry. :/
Answer:

Step-by-step explanation:

You can confirm this by working and expanding backwards:

Hope this helps!