Quick Answer: Can A Triangle Be A Rectangle?

What two shapes can make a rectangle?

A convex quadrilateral is a rectangle if and only if it is any one of the following:a parallelogram with at least one right angle.a parallelogram with diagonals of equal length.a parallelogram ABCD where triangles ABD and DCA are congruent.an equiangular quadrilateral.a quadrilateral with four right angles.More items….

What shape has 3 more sides than a triangle?

2D ShapesTriangle – 3 SidesSquare – 4 SidesPentagon – 5 SidesHexagon – 6 sidesHeptagon – 7 SidesOctagon – 8 SidesNonagon – 9 SidesDecagon – 10 SidesMore …

How many equal triangles make a rectangle?

fourRectangle. A rectangle has opposite sides which are equal and parallel. It also has four right angles. The diagonals are equal and split a rectangle into four isosceles triangles.

What is the formula of rectangle?

Area of Rectangle FormulaThe formula for the Area of a RectangleThe perimeter of a RectangleP= 2(l + b)Area of a RectangleA = l × bFeb 23, 2020

How does a triangle relate to a rectangle?

A diagonal of a rectangle separates the rectangle into two congruent triangles. The area of each triangle is one-half the area of the rectangle. So, the area A of a triangle is given by the formula A=12bh where b is the base and h is the height of the triangle.

Can you make a rectangle with 2 triangles?

if there are two congruent triangles paired with other triangles that make up a rectangle, yes, but otherwise, no.

What is a rectangle with a triangle on top called?

A pentagon formed from a square and a triangle. There is an (irregular) pentagon and it’s made up of a square and a triangle. The triangle is directly on top of the square. The triangle is a right triangle.

How many triangles does it take to make a rectangle?

twoCutting a rectangle into two congruent triangles.

What shape does a rectangle and a triangle make?

The plural of “vertex” is “vertices” – a triangle has three vertices. The way we identify a polygon is usually by the number of sides it possesses, which is the same as its number of angles….Polygons in General.# of sidesName3Triangle4Quadrilateral5Pentagon6Hexagon4 more rows•Feb 19, 2009

Can a rectangle and a triangle have the same area?

A rectangle and a triangle have the same area. When placed on the same level, the tip of the triangle touches the top edge of the rectangle.