Perimeter/Area
How do you find the perimeter of a rectangle?
Add up all the lengths.
a + b + c + d = perimeter
How many sides does a triangle have?
3 Sides
How many sides does a square have?
4 sides
This is a name that names ALL shapes with 4 sides.
Quadrilateral
How do you find the area of a rectangle?
L x W = Area
How many vertices does a triangle have?
3 Vertices
How many vertices does a square have?
4 Vertices
A four-sided shape with 4 EQUAL sides and 4 right angles.
Square
A square has a length of 5 in. What is the area of the square?
25 square inches
How many angles does a triangle have?
3 Angles
How many angles does a square have?
4 angles
A four-sided shaped with opposite sides that are parallel and of equal length.
Rectangle
24 ft
A triangle must have three equal sides.
Yes or No?
No.
How many equal sides does a square have?
4 equal sides
Name a quadrilateral that is not a square or rectangle.
Trapezoid, Kite, Parallelogram, Rhombus
You are building a playground, and need to build a fence and put mulch inside of the fence. Will you have to measure for perimeter or area?
Perimeter and Area
What does the prefix "Tri" mean?
Three
A square is also a...
Rectangle/Quadrilateral
A square is a rectangle but a rectangle is not a square. Explain.
A rectangle does not have four EQUAL sides, therefore it is not a square. A square has opposite sides that are equal and four right angles, therefore it can be considered a rectangle.