Civil Service Exam Reviewer · Measurement and Geometry · hard

A right triangle has a hypotenuse of 51 cm and one leg of 24 cm. What is its area?

  1. 612 cm²
  2. 1080 cm²
  3. 1,147.5 cm²
  4. 540 cm²

Answer

D. 540 cm²

Solution

Other leg = √(51² − 24²) = 45. Area = ½ × 24 × 45 = 540 cm².

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