Ryan has 36 coins totaling to $2.10. The coins are made up of all dimes and nickels. How many of each coin does he have?
1 answer:
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Area of building is .
<u>Step-by-step explanation:</u>
Here we have , a figure in given below picture where we have to find volume of this office building , Let's find out:
If we look closely we see that it's basically cuboid with dimensions 50 m by 110 m by 70 m . But there's one small cuboid sliced off from this cuboid with dimensions 50 m by 10 m by (110-90) m i.e. 50 m by 10 m by 20 m .
Area of building = Area of larger cuboid - Area of smaller cuboid
Area of cuboid =
⇒ Area of building = Area of larger cuboid - Area of smaller cuboid
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⇒
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Therefore, Area of building is .