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THE THREE SQUARES
THE THREE SQUARES
We have three squares of side 10cm, 8cm and 6 cm each. They are placed as we can see in the picture.
Which is the value of the surface of the top part?
THE AWNING
THE AWNING
In a cubic living room of 8m side we want to instal an awning (ABCD) as you can see in the figure.
The point A and C are the middle point of the sides and the points B and D are the middle points of opposite faces.
- What figure is it?
- Calculate the area.
- Calculate the perimeter
THE LAKE
THE LAKE
The blue surface is a lake. How big ( in meters square ) is the lake?
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