1.

If we take 4 rounds around a field thatis 160 m long and 90 m wide, what isthe distance we walk in kilometres?4.

Answer»

Perimeter=2(160+90)=2*250m=500m4rounds =500*4=2000mTotal distance(in kilometers)=2km

As we know peri. 2(l+b)l=160m b=90mhence, 2(160+90) =500magain , given 4 rounds of feildtherefore, total distance = 500×4=2000 mand in 1000m=1kmtherefore 2000m= 2km



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