shannonhorn18 shannonhorn18

20-03-2022
Mathematics

contestada

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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willwig willwig

20-03-2022

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

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