An 8 sided octagon or a 4 sided rhombus can be formed depending on the size of the triangles cut from each corner.
It is formed by the diagonal of a rectangle
It's Edge. That is incorrect. The corners formed by two adjacent lines are the vertex.
168 km². Area of rectangle = Length*Breadth = 13*7 = 91 km² Area of triangle = 1/2*Base*Height = 1/2*14*11 = 77 km² Area of figure = Area of rectangle + Area of triangle = 91+77 = 168 km²
Dihedral angle
If, by square corners, you mean corners that are right angles, then any polygon with four or more sides can have two square corners. Furthermore, apart from near the corners, the lines need even be straight so the shape need not be a polygon. In the limit a semicircle has two right angles.
hexagon
That would turn it into an octagon.
octagon
A half rectangle shape is commonly referred to as a "right triangle." This shape is formed by cutting a rectangle diagonally from one corner to the opposite corner, resulting in two right triangles. Each triangle has one right angle (90 degrees) and two acute angles.
It is formed by the diagonal of a rectangle
A shape that contains both a triangle and a rectangle is a trapezoid, specifically when it is formed by adding a triangle on top of a rectangle. This configuration typically creates a composite shape where the triangle's base aligns with one of the rectangle's sides. Alternatively, a triangular prism can also incorporate a rectangle as its base while having triangular faces.
It's Edge. That is incorrect. The corners formed by two adjacent lines are the vertex.
You would get two right-angled triangles.
A rectangle has four vertices. Each vertex is formed by the intersection of two sides of the rectangle. Since a rectangle has opposite sides that are equal in length and four corners, it consistently has four distinct vertices.
A rectangle has four exterior angles, one at each vertex. Each exterior angle is formed by extending one side of the rectangle at that vertex. Since a rectangle has four corners, it consequently has four corresponding exterior angles.
A rectangle and a square both have right angles, meaning each of their interior angles measures 90 degrees. When a rectangle and a square intersect or overlap, they create angles that are also right angles at the points of intersection. If they are positioned adjacent to each other, the angles formed at their corners will also be right angles. Therefore, the angles formed by a rectangle and a square are primarily right angles.
Draw a shape. Every time your pencil changes direction, an angle is formed. A rectangle has four corners, all right angles.