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Find Height :
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Find area of triangle :
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Find Shaded Region :
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I believe the answer is 8 hope this helps
Prime factors of 4,725 are 3, 5 and 7
The angle ABC looks like a bit close to 90 degrees but lower..
I think it is 74 degrees.
I hope I helped I'm only in Junior High but I think my answer is correct.
The value of x which would make that equation true is 7