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Riya checks three triangles. Triangle A: 6, 8, 11. Triangle B: 9, 12, 15. Triangle C: 5, 5, 8.
How many of these three triangles are right-angled?

Class 7Pythagoras PropertyTriangles
  • A2
  • B1
  • C3
  • D0

Step-by-Step Solution

A: , but , not right. B: , right. C: , but , not right. Only 1 triangle (B) is right-angled.
Answer: B) 1

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