Rectangles
Presentation
•
Mathematics
•
KG
•
Hard
Hoa Vo
FREE Resource
3 Slides • 0 Questions
1
What is a rectangle?
A rectangle is a two-dimensional shape with four sides and four right angles.
A rectangle is a special type of these shapes:
* Quadrilateral: four sides
*Parallelogram: quadrilateral with two pairs of parallel sides
A square is a special type of rectangle. It has four right angles and four equal sides.
2
Area of a rectangle
You can find the area of a rectangle by multiplying the length times the width.
Let's try it! The length of this rectangle is 5 units. The width of this rectangle is 10 units.
Multiply the length by the width.
5×10=50
So, the area of the rectangle is 50 square units.
3
Perimeter of a rectangle
You can find the perimeter of any shape by adding the side lengths. Since rectangles have two pairs of equal sides, you can find the perimeter of a rectangle by multiplying the length and width by 2 and then adding those products.
Let's try it! The length of this rectangle is 5 units. The width of this rectangle is 10 units. Plug those numbers into the equation.
So, the perimeter of the rectangle is 30 units!
What is a rectangle?
A rectangle is a two-dimensional shape with four sides and four right angles.
A rectangle is a special type of these shapes:
* Quadrilateral: four sides
*Parallelogram: quadrilateral with two pairs of parallel sides
A square is a special type of rectangle. It has four right angles and four equal sides.
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