Answer: the area equals 580
Step-by-step explanation: the area is length times height times width and it all equals to 580
hope this helps
Answer:

Step-by-step explanation:
Given
The question is illustrated with the attached image
Required
Find 
To do this, we use sine formula
i.e.

So, we have:


Take arc sin


Convert to common denominator
3/4 = 12/16
Multiply by 16
(12/16)/(3/16)
12/3
Your answer is 4.
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Answer:
38
Step-by-step explanation:
AB is parallel to CD. So, <ABC = <BCD.
Now, <BCD = <ABC = 180 - 111 - 31 = 38