Find the missing length(s) in the right triangle. If necessary, round to the nearest tenth.
A. a = 7 cm; b = 12.1 cm
B. a = 12.1 cm; b = 7 cm
C. a = 7 cm; b = 147 cm
D. a = 12.1 cm; b = 10.5 cm
Answer: A
Mathematics
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Mathematics