We can find a and b using inverse trig functions,


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Answer:
3
Step-by-step explanation:
Here’s the full solution:
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Answer:
Yes, AA~
Step-by-step explanation:
because 2 of the angles are the same (90 and 52) they have to be the same. The triangle on the right is known to be 90 degrees because 52+38 is 90 and 180-90 is 90 and a triangle has to add up to 180 degrees
10 would be you best choice