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What is intersection of solids?
The intersection of two or more solids can either be an empty set, a point (two cones "intersecting" apex-to-apex), a line (two cubes touching along one edge), a face (two cubes, face-to-face). If the solids are "filled", the overlapping intersection will be another solid. If they are hollow, it will be a closed three dimensional figure.
How many faces does 3 cubes have?
I think the answer is 18 becausea cube has 6 face and 3 cubes have 18 faces.
A cube is painted red and then cut into 64 little cubes all of the same size how many of the little cubes have 6 red faces 5 red faces 4 red faces 3 red faces 2 red faces 1 red face?
This is kind of neat. I drew a three dimensional cube. Then divided the faces into 16 squares per face. Then started counting which of those little cubes would have a painted face. I get: 1 red face - 24 cubes 2 red faces - 24 cubes 3 red faces - 8 cubes 4, 5, & 6 red faces - 0 cubes
What is the Suface area of 4 cubes joined together?
Assuming they are joined full face to full face, the surface area is between 16 and 18 times the area of one face.
What is the circumference of the clock if the radius of a clock face is 8.5 centimeters?
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