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Does a rectangle have a perpendicular sides?
YES!!! By the fact that is is named a 'Rectangle'. ,the anglesw are all 90 degrees. This means that all the angles are right angles, hence making the sides perpendicular. Quadrilateral means a four sided figure. It is a collective noun for rectangles and non-rectangles. Rectangles are squares, and rectangles. Non-rectangles are , parallelograms, rhombus, trapezium, kite.
What has 2 pairs of parallel sides and no right angle?
Every non-rectangular parallelogram has. (It's not correct to say that a parallelogram has, because rectangles and squares are parallelograms too.)
Are some rectangles also trapezoids?
True. All rectangles are trapezoids. (In England a trapezoid is known as a trapezium.)
Is the number line a graph of rational numbers?
The number line includes all rational numbers but also has irrational ones. It is the REAL number line. The square root of non-perfect squares are on it and pi is also on it and they are not rational.
How many sides does five non-overlapping squares have?
1 square . . . 4 sides2 squares . . . 8 sides..5 squares . . . 20 sides
