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A rectangle has corners (0, 0), (12, 0), (12, 5) and (0, 5). Find its diagonal.
A15 units
B13 units
C17 units
D11 units
Answer & Solution
Correct answer: B. 13 units
The diagonal joins (0, 0) and (12, 5), so its length is the root of 144 + 25, which is 13.
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