To calculate the perimeter, label and add up the length of each side. This shape is made from two rectangles. What is the perimeter of this shape? First, calculate the missing lengths \(x\) and \(y\).

The video discusses the importance of geometry in understanding the world around us, highlighting how geometric shapes and principles are integral to everyday life and various professions.

Euclidean geometry is the branch of mathematics describing shapes and the spatial relationships between objects in ...

The area of the rectangle is 8 cm 2. Two triangles make the rectangle. The area of one triangle is half the area of the rectangle. \(8 \div 2 = 4~\text{cm}^2\) The area of a triangle can also be ...