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A house plan shows a scale of 1 : 40. If the rectangular lounge room of the house is to measture 4.5 metres by 6.3 metres, what is the area of the lounge room on the plan​
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39 votes
39 votes
A house plan shows a scale of 1 : 40. If the rectangular lounge room of the house is to measture 4.5 metres by 6.3 metres, what is the area of the lounge room on the plan​

User Mounirboulwafa
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1 Answer

22 votes
22 votes
.70875 meters
actual area is (4.5)x(6.3)=28.35meters^2
using 1:40 ratio 1/x=40/28.35
User Snapper
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