# SOLUTION: If I know the lengths of all three sides of a right triangle what is the formula to determine the unknown angles at the vertex opposite the known 90 degrees?

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 Click here to see ALL problems on Triangles Question 573114: If I know the lengths of all three sides of a right triangle what is the formula to determine the unknown angles at the vertex opposite the known 90 degrees?Answer by Alan3354(30993)   (Show Source): You can put this solution on YOUR website!If I know the lengths of all three sides of a right triangle what is the formula to determine the unknown angles at the vertex opposite the known 90 degrees? ----------- sine = side opposite/hyp All you need for these.