a square
Answer:
Assuming the question 's answer is an enclised figure with only 3 90o angles, a multitude of shapes have 3 right angles whether you consider 2 or 3 dimensional objects. A three sided pyramid (one of the vertexes of a cube passing through a plane) would meet the criteria. On a plane manys polygon can have 3 right angles with the other angles totaling 90o. On the surface of the Earth a set of lines can be established that are 90o to the equator that meet at the north pole at 90o as well
circles
A square, by definition, must have four right angles. A plane shape with 4 right angles which is not a square is a rectangle.
No polygon can have less than 3 angles. It would be a triangle with 3 sides but that has 3 angles.
Only a chevron has diagonals intersecting outside the shape. The diagonals of a symmetric chevron will intersect at right angles.
It is impossible to have a six sided shape with right angles since the lines would never meet, therefore it would not create a shape. The most right angles you can have in a shape is four. A six sided shape is called a hexagon. There are Regular Hexagons, meaning all the sides and all the angles are equal. Any other Hexagon with unequal sides and angles and called Irregular Hexagons. Each side must be straight, and the sum of the angles equaling 720°.
If the question is about a plane shape with exactly 3 right angles it could be an irregular polygon of 5 or more sides. If the shape can have more than 3 right angles then a square or rectangle are also possible. Finally, in 3 or more dimensions, a polyhedron with any number of faces can have 3 or more right angles.
A seven sided shape is a heptagon.
pentagon
No because a parallelogram in the shape of a rectangle has 4 right angles
The simplest shape that can have 2 right angles is a rectangle or a square. You can make an unlimited number of more complex shapes, though. A house shape is a pentagon with 2 right angles--you could even make it with 3 right angles.
You can make a four sided shape with 3 right angles, but it must have another right angle, too. So technically, yes.
a Pentagon is five sided and CAN have 3 right angles.
you cannot make a regular shape which has 3 right angles only, you will always end up with 4 right angles
any triangle that is not a right triangle
A irregular hexagon
A heptagon.
irregular hexagon?