Engineering Board Exam Reviewer · Solutions to Right Triangles · medium

The perimeter of a right triangle is 60 and its hypotenuse is 26. Find its area.

  1. 240
  2. 60
  3. 156
  4. 120

Answer

D. 120

Solution

The legs satisfy a+b=34 and a2+b2=676. Then 2ab=342-676=480, so ab=240 and the area is 12ab=120.

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