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Two equal ladders lean against a vertical wall, each making the same angle with the level ground. Which rule shows that their feet are the same distance from the wall?

Class 9SAS, ASA and AAS CongruenceGeometry — Triangles
  • ASAS
  • BAAS
  • CSSS
  • DThey need not be the same distance

Step-by-Step Solution

Each ladder, the wall and the ground form a right triangle. Right angles equal, angles with the ground equal, and the ladders (opposite the right angles) equal: AAS. So the distances from the wall are equal.
Answer: B) AAS

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