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Find the area of the triangle with vertices (0, 0), (8, 0) and (3, 5). (answer in square units)

Competition practiceGeometry
  • A20
  • B40
  • C15
  • D24

Step-by-Step Solution

The base from (0, 0) to (8, 0) is 8 units and the height is the -coordinate of (3, 5), i.e. 5. Area = ½ × .
Answer: A) 20

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