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10 +20i you just multiply and look what to write simply
Answer:
590147.913 would be the answer
1 is 90 degrees because it is a right angle. Angle 2 is 180-90-47=43 degrees because the angles of a triangle add to 180 degrees. Angle 3 is 47 degrees because it is equal to measure of the angle on the opposite congruent side.