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What geometric shape is made of 2 circles and 1 rectangle?
...a cylinder...
Who made the circle?
Circles were drawn by ancient peoples before writing was developed. No one "invented" or "made" the circle from that perspective.
What solid can be made using 2 circles and 1 large rectangle?
Circles and rectangles are plane (2-dimensional) figures, so it doesn't seem that they can be used to construct solids.
Do planes contain ponts and lines?
A point is a single spot in space. A line is the connection between two points. A plane is the space made up between three or more lines. A plane has infinite lines and therefore infinite points.
Why is a cylinder not a polyhedron?
A polyhedron is a 3 dimensional figure made of polygons. A cylinder is made of two circles and a rectangle around the middle. Since circles are not considered polygons (don't have straight edges), a cylinder cannot be a polyhedron. I just had a discussion about this with my math students today.
