 # 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.