Letter L unless you count the ends as additional sides
An irregular quadrilateral, such as certain trapezium.
should that be trapezia or trapeziums?
This shape has only one pair of opposite sides and no right angles: <
A shape with five sides would be a pentagon, but a shape can not have 5 right angles. Squares and Rectangles are both shapes with 4 sides and 4 right angles. They are the only shape with the same amount of right angles as there is sides.
The shape that has only one set of parallel sides and two right angles is a trapezoid (or trapezium in some regions). In this case, it specifically refers to a right trapezoid, which has two right angles. The other two angles can be acute or obtuse, but the defining feature is the single pair of parallel sides.
A rectangle is the only such shape. Not sure about the "little" right angles: all right angles are of the same measure.
Any shape with more than 3 sides can have two pairs of equal sides and no right angles. If it only has 4 sides in total and isn't a parallelogram, then it's a trapezoid.
This shape has only one pair of opposite sides and no right angles: <
A shape with five sides would be a pentagon, but a shape can not have 5 right angles. Squares and Rectangles are both shapes with 4 sides and 4 right angles. They are the only shape with the same amount of right angles as there is sides.
The following shape has three sides and the only angles are right angles. ----- | |___
A quadrilateral is any shape with four sides; angles can be acute or obtuse. A perfect square is the only quadrilateral with only right angles.
The shape that has only one set of parallel sides and two right angles is a trapezoid (or trapezium in some regions). In this case, it specifically refers to a right trapezoid, which has two right angles. The other two angles can be acute or obtuse, but the defining feature is the single pair of parallel sides.
A rectangle is the only such shape. Not sure about the "little" right angles: all right angles are of the same measure.
Any shape with more than 3 sides can have two pairs of equal sides and no right angles. If it only has 4 sides in total and isn't a parallelogram, then it's a trapezoid.
Yes, all trapezoids have 4 sides anyhow. The two right angles would have to be consecutive and the only right angles in the polygon to maintain a trapezoidal shape.
There is no quadrilateral that meets these requirements. It is, of course, possible for a pentagon (or polygons with 6 or more sides) to have 4 equal sides and only 2 right angles.
A shape that has 2 right angles, only 1 set of parallel sides, and no lines of symmetry is a right trapezoid (or right-angled trapezium). In this trapezoid, the two non-parallel sides are not equal in length, contributing to the lack of symmetry. The right angles are formed between one of the parallel sides and one of the non-parallel sides.
A right trapezium.
To make a square, you need to create a shape with four equal sides and four right angles.