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Sorry for not really answering you're question. I have no idea. I'm sorry.
Answer:
tanA = sinA / cosA = 3/5 / 4/5 = 3/4.
9514 1404 393
Answer:
16
Step-by-step explanation:
The altitude of the triangle is 12/21 = 4/7 of the marked side. If we assume that the marked sides are the ones that are corresponding, then ...
x = (4/7)(28)
x = 16