Use the Pythagorean Theorem to find the unknown length. Give the exact answer in simplified form. Then give an approximate answer rounded to two decimal places when necessary.

A. x = 112; x ? 10.58
B. x = 130; x ? 11.4
C. x = 20; x ? 4.47
D. x = 28; x ? 5.29


Answer: B

Mathematics

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