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Tan198=asin164=? how to solve this? ?

Quadrilateral efgh was dilated with the origin as the center of dilation to create quadrilateral e'f'g'h'. the quadrilateral was dilated using a scale factor of 2.5. the lengths of the sides of quadrilateral efgh are given. what is the length of side f'g'?

V=x^4-y^4 pick three expressions that can represent the three dimensions of the prism (each in meters)