Answer:
100 tiles of 20cm
Step-by-step explanation:
By observing figure, Upper rectangle sides
length(l1) = 3m
bredth(b1) = 2m
Lower Rectangle sides
length(l2) = 7m
bredth(b2) = 2m
Area of upper rectangle = l*b
= 3m*2m= 6 m.sq
Area of lower rectangle = l*b
= 7m*2m= 14 m.sq
Area of varanda = Area of upper rectangle +Area of lower rectangle
= 6 m.sq + 14 m.sq
= 20 m.sq
To find number of 20cm tiles for Area of varanda
Total 20cm required = 20 m. sq/20 cm
= 20*100/20 [1m = 100cm]
=100 tiles
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Verified answer
Answer:
100 tiles of 20cm
Step-by-step explanation:
By observing figure, Upper rectangle sides
length(l1) = 3m
bredth(b1) = 2m
Lower Rectangle sides
length(l2) = 7m
bredth(b2) = 2m
Area of upper rectangle = l*b
= 3m*2m= 6 m.sq
Area of lower rectangle = l*b
= 7m*2m= 14 m.sq
Area of varanda = Area of upper rectangle +Area of lower rectangle
= 6 m.sq + 14 m.sq
= 20 m.sq
To find number of 20cm tiles for Area of varanda
Total 20cm required = 20 m. sq/20 cm
= 20*100/20 [1m = 100cm]
=100 tiles
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