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Q. The length and breadth of a room are 8 meters and 6 meters respectively. Tom runs along all the four walls and finally along a diagonal in order to catch Jerry. How much total distance is covered by Tom?

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Q. The length and breadth of a room are 8 meters and 6 meters respectively. Tom runs along all the four walls and finally along a diagonal in order to catch Jerry. How much total distance is covered by Tom?

(ADRE 2024)

(A) 38 meters

(B) 10 meters

(C) 14 meters

(D) 28 meters

Answer:- (A) 38 meters

Solution:- 

To solve this, let’s break down Tom’s journey:

Distance covered along the walls:

  • We know that the perimeter of a rectangle is the total distance of all four sides of a rectangle.
  • This means Tom covers the perimeter of the room.
  • Perimeter,
  • Therefore, meters

Distance covered along the diagonal:

  • The diagonal can be found using the Pythagorean theorem.
  • The diagonal of a rectangle, D
  • Substituting values we get, D }=} = } = 10 meters

Total distance covered by Tom:

    • Total distance = Perimeter + Diagonal = meters

Therefore, Tom’s total distance covered is 38 meters.

So, the correct answer is (A) 38 meters.


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