Question

5. Kartik runs 8 times around a rectangular field with length 120 m and breadth 60 m while his friend
Amulya runs 10 times a square field of side 80 m. Who covers more distance and by how much?
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Answer 1

Answer:

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Answer 2

Answer:

distance covered = perimeter of the figure

therefore distance covered by kartik=perimeter of rectangle field=

$2 \times (length + breadth) \\ = 2 \times (120 + 60)m \\ = 360m \\ \\ distance \: covered = 360 \times 8 \\ 2880m$

distance covered by Amulya= perimeter of square field=

$4 \times length \: of \: side \: of \: square \\ = 4 \times 80m \\ = 320m \\ distance \: covered = 10 \times 320 \\ = 3200m$

hence Amulya covered more distance from Kartik by 400 m