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Sonbull [250]
3 years ago
11

Rectangle A has 7 times the area of rectangle

Mathematics
1 answer:
krok68 [10]3 years ago
7 0
Wa=0.5Wb, Ha=20, Hb is unkown
the area of rectangle a is : Wa*20
the area of rectangle b is : Wb*Hb
Rectangle a has 7 times the area of rectangle b: Wa*20=7*Wb*Hb
Replace Wa with 0.5Wb: 0.5Wb*20=7Wb*Hb => Hb=10/7
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