If you mean "Does it have a rotational symmetry", the answer is "Yes." there is a 180 degree rotational symmetry.
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180 degrees
2 If the rectangle has equal sides (ie it's a square) the order is 4.
Join the mid points of a pair of opposite sides of a rectangle. Rotate the rectangle using this line as the axis for rotation, and it will mark out a cylinder..
No, a polygon is not a rectangle, but a rectangle is a polygon. You just got the words mixed up.
Well, honey, what you've got there is a rectangle. It's got those four right angles and those two pairs of equal sides, making it a classic shape in the geometry world. So, if you're looking for a shape that fits that description, you've hit the nail on the head with a rectangle.