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FTCE General Knowledge Review: Apply the Pythagorean theorem.

Review apply the pythagorean theorem. for this FTCE General Knowledge question with the key prompt clue, correct-answer reasoning, distractor checks, and sources to verify next.

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What this question is testing

Objective: Apply the Pythagorean theorem.

Prompt focus: A right triangle has legs of lengths -17 and 144. What is the hypotenuse?

Why the correct answer works

145

By the Pythagorean theorem, sqrt(-17^2 + 144^2) = 145.

Why the tempting wrong answer fails

The tempting wrong answer usually loses because it skips the key condition, priority, or evidence in the prompt.

Plain-language takeaway

The deciding step is to apply apply the pythagorean theorem. to the facts given. By the Pythagorean theorem, sqrt(-17^2 + 144^2) = 145.

Simple analogy

Think of apply the pythagorean theorem. like following a short checklist: identify the clue, confirm the rule, and then make the move that fits this exact scenario.

How to review it before a retake

  • Underline the command word and name what the question is asking before rereading the choices.
  • Compare the correct answer against the closest distractor and write the exact detail that separates them.
  • Retest this objective with a fresh question without looking at the rationale first.

Sources to verify next