Find the unknown sides of the right triangle (see illustration). Round your answer to the appropriate number of significant digits.
A. a = 275 cm, c = 285 cm
B. a = 68.2 cm, c = 100 cm
C. a = 71.3 cm, c = 275 cm
D. a = 19.8 cm, c = 76.4 cm
E. a = 285 cm, c = 71.3 cm
Answer: A
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