pls pls answer illustration no 10 no spam
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distance tralleved=distance between O to A+A to B+B to C+C to D
=[(1/2)×8×20)] +[(1/2)×(20+10)×2] +(2×10)+[(1/2)×2×10]
=80+30+20+10
=140m
=[(1/2)×8×20)] +[(1/2)×(20+10)×2] +(2×10)+[(1/2)×2×10]
=80+30+20+10
=140m
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