What is the diagonal of a square with side 8?
Answer and explanation
Correct answer: B. 8√2
- Step 1: The diagonal splits the square into a right triangle with legs 8 and 8. Step 2. d = √(64 + 64) = 8√2. Answer: 8√2. Why not the others: 16 is too large, and 8√3 is the diagonal of a cube.
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