Riya runs around a square park of side 70 m. Rahul runs around a rectangular park with length 50 m and breadth 45 m. Who cov

Question

Riya runs around a square park of side 70 m. Rahul runs around a rectangular park with length 50 m and breadth 45 m. Who covers less distance?​

Amelia · Answer

large sf underline{Given ::}      Length of square park covered by Riya = 70 m          Length and breadth of rectangular park covered by Rahul = 50 m and 45 m respectively        ‎       large sf underline{To :find ::}      Who covers less distance between Riya and Rahul ?      ‎       large sf underline{Concept :to :be :used ::}     Here we are given the Length of square park covered by Riya  as 70 m and Length and breadth of rectangular park covered by Rahul as 50 m and 45 m respectively . We are asked to find who covers less distance . Therefore we would first calculate the distance covered by Riya and then by Rahul so that it would be easier for us to compare and find who would cover less distance . So let's begin !     ‎       large sf underline{Formula :to :be :used ::}      Perimeter of square =   sf :4  times side         Perimeter of rectangle =  sf :2(length + breadth)      ‎     large sf underline{Solution ::}     Let's first calculate the distance covered by Riya.      We know :       sf :Distance :covered :by :Riya := :Perimeter :of :square      Using the formula for perimeter       sf to :Distance :covered :by :Riya := :4  times side      Substituiting the value of side of square       sf to :Distance :covered :by :Riya := :4  times 70       small{ underline{ boxed{ mathrm red{ to :Distance :covered :by :Riya :=280 :m}}}}  ✧    ‎   Now let's calculate the distance covered by Rahul.    We know :      sf :Distance :covered :by :Rahul := :Perimeter :of :rectangle      Using the formula for perimeter       sf to :Distance :covered :by :Rahul := :2(l+b)      Substituiting the value of l and b        sf to :Distance :covered :by :Rahul := :2(50+45)       sf to :Distance :covered :by :Rahul := :2(95)         small{ underline{ boxed{ mathrm red{ to :Distance :covered :by :Rahul :=190 :m}}}}  ✧    ‎   So we got distance covered by Riya as   tt blue{280 :m}  and distance covered by Rahul as    tt blue{190 :m}      Clearly ,  Less     distance     is     covered     by     Rahul     .        ‎__________________      Note : Kindly scroll left to right to view the answer properly ! :D  !! Hope it helps !!

Kaylee · Answer

Answer:   Rahul   Step-by-step explanation:   The perimeter of square park is 70×4 = 280m  Riya run 280 m      Perimeter of rectangular park is 2 (50+45) =190m    Rahul runs 190m    so he covers less distance

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