A right triangle has legs of length and . What is the length of its hypotenuse?
Answer and explanation
Correct answer: D. 29
- Step 1: Apply the Pythagorean theorem : .
- Step 2: Calculate the sum of squares: .
- Step 3: Take the square root to determine : .
Answer
.
Why not the others: is the simple linear sum , which ignores squaring.
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