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Find the perimeter of the triangle with vertices (0, 0), (5, 0) and (0, 12).

Class 9Figures on the Coordinate PlaneCoordinate Geometry
  • A60 units
  • B25 units
  • C30 units
  • D17 units

Step-by-Step Solution

Legs: 5 and 12. Hypotenuse = √(25 + 144) = √169 = 13. Perimeter = 5 + 12 + 13 = 30 units. (17 leaves out the hypotenuse; 60 is twice the area.)
Answer: C) 30 units

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