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Two ladders lean against a wall making right angles with the ground. Both ladders are 5 m long (hypotenuse) and the foot of each is 3 m from the wall.
Are the two right triangles formed congruent, and by which rule?

Class 9Criteria for CongruenceGeometry — Triangles
  • AYes, by RHS
  • BYes, by ASA
  • CNo
  • DYes, by AAA

Step-by-Step Solution

Right angle at the base, equal hypotenuses (5 m) and equal one side (3 m) => RHS congruence.
Answer: A) Yes, by RHS

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