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Earn +20 ptsQ: What is a flat closed surface that has congruent and parallel opposite sides?
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What closed shape has four angles all angles are right angles opposite sides are congruent and opposite sides are parallel?
A square or a rectangle perhaps?
Is a quadrilateral is a figure with no two sides congruent and parallel?
Not always because a quadrilateral is any 4 sided shape.
Are opposite sides parallel on a triangle?
Never, there are no true "opposite sides" on a triangle as each side intersects the other two at a point. Were two of the lines parallel, the triangle would be missing a point and would not be a closed shape.
How does a parallelogram triangle look?
it just doesnt exist. parallelogram is a closed shape vth opposite sides parallel adjacent angle not 90 degree. triangle is closed shape vth 3 sides.
Is a octahedron a prism?
An octahedron is a closed 3-d shape with 8 polygonal faces. There are 257 topologically different convex octahedra. One of these 257 shapes is a prismoid, and a prism is a special case of a prismoid in which the two hexagonal faces are congruent and parallel.
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