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A square "corner" is 90 degrees, (assuming you meant 90 degrees, not 90 angles), and has parallel lines, thus, it must be a parallelogram! A parallelogram that has right angles, is a rectangle. Technically, all that is needed to know is 4 right angles, since all right angles implicate parallel lines and 90 degree angles.
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What shape has parallel lines perpendicular lines equal opposite angles and equal adjacent angles?
square
What has 2 right angles and 2 parallel lines?
A square or rectangle are the only regular polygons, but many other shapes have two right angles and two parallel lines.
What shape has 4 right angles and 2 parallel lines?
a square and a rectangle
What is the properties of a 2D square?
4 corners 4 angles Angles add up to 90' All angles are right angles Has 4 lines of symmetry
Why do corresponding angles always have the same measurement?
They don't always. When two lines are crossed by another line (called the transversal) the angles in matching corners are called corresponding angles. If the two lines being crossed are parallel lines, then (and only then) the corresponding angles are equal.
