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Do quadrilaterals have right angles?
"Quadrilateral" simply means "four sided". Some quadrilaterals do have right angles; squares or rectangles, for example. Some have one or two right angles, but some don't have any right (90 degree) angles.
What is the importance of angles to shapes and or angles?
Some shapes have angles and so they are important in defining the shapes. And angles are absolutely critical for angles. They are the very essence of their existence: if it were not for angles then there would be no angles.
How you can find a shape with right angle?
Any and all squares and rectangles. Every one of these two shapes has only right angles. Though some triangles also have right angles.
Are some quadrialaterals rectangles?
All quaderilaterals are four sided polygons. 'The prefix 'quad' , means four(4) in Latin. So any four sided polygon is a quadrilateral. A rectangle is a special form of quadrilateral, in so far as that all the angles are 'right-angles'(90 degrees). Again 'Rect' from Latin means 'right'(90 degrees). Here is a list of Quadrilaterals: - Square Rectangle Parallelogram Rhombus Kite Trapezium
Which shape has some perpendicular sides but no parallel sides?
a right triangle, a pentagon w/ a right angle, alot of shapes with right angles.
