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PAGE: 488SET: ExercisesPROBLEM: 1
Please look in your text book for this problem Statement

The side lengths of a right triangle are c equal ?.

Apply Pythagorean theorem: a to the power of 2 plus b to the power of 2 equal c to the power of 2

              (Substitute 15 for a and 20 for b)

            (Evaluate powers: )

                       (Add: 400 plus 441 equal 841)

                (Apply square root on each side)

                 (Write )

                           (Cancel sqaure and root)

The unknown length of .



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