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How many planes of symmetry does a rectangle have?
There are 3 planes of symmetry in a rectange.
What 3d shape has 3 planes of symmetry?
A cube has three planes of symmetry.
Allison Bob and Carl are getting ready to pose for a photograph In how many different ways could they line up for the picture?
They could line up in 3! = 3*2*1 = 6 ways.
What is Three points determine a plane?
If you were to have 3 points on the same line, then you would actually not be determining a plane, because there are infinitely many planes that can intersect a given line. But if you have 3 points in the form of the points (or vertices) of a triangle, then you determine a plane in the sense that there is only one possible plane upon which that triangle can be drawn (not including a degenerate triangle, which is equivalent to a line).
Intersection of 1 and 2 quadrant is null why?
The intersection of the first and second quadrant on a Cartesian plane is null because the first quadrant consists of points with positive x and y coordinates, while the second quadrant consists of points with negative x and positive y coordinates. There are no points that satisfy both conditions simultaneously, resulting in an empty intersection. This is due to the nature of the coordinate system and the definitions of the quadrants based on the signs of the coordinates.
