# Kavita cycles around the building 5 times. It is a rectangle; the longer side is 80m and shorter side 50m. How much distance in km does she cover in a week?

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Distance covered = 7*5*perimeter

side a = 80 m

side b = 50 m

perimeter = 2(a+b)

= 2(80+50) = 2*130 = 260 m

distance covered = 35*260 = 9100 m

9100/1000 = 9.1 kilometer

side a = 80 m

side b = 50 m

perimeter = 2(a+b)

= 2(80+50) = 2*130 = 260 m

distance covered = 35*260 = 9100 m

9100/1000 = 9.1 kilometer

=80*50

=4000sq.m

Area covered in a week=5*4000*7=140000sq.m

Distance covered=140000/50=2800m

=2800/1000

=2.8km.