Rectangles Perimeter
What is perimeter?
The measurement of the outside of a shape or something.
How do you find the area of a rectangle?
Area = Length X Width
What is a quadrilateral?
A 4 sided polygon
How are a triangle and quadrilateral different?
A triangle has 3 sides, 3 angles and 3 vertices.
A quadrilateral has 4 sides, 4 angles, 4 vertices.
I am a polygon.
I have 6 sides.
I have 6 vertices.
What am I?
A hexagon!
What is the perimeter formula for a rectangle?
Perimeter = side + side + side + side
What is area?
Describe one attribute of a rhombus?
All equal length sides
Opposite sides are parallel
What is the difference between a square and a rectangle?
The square has 4 sides that are equal in length, and a rectangle has opposite sides that are equal in length.
I have 4 vertices, 4 equal sides, and at least one right angle. What am I?
square
What is perimeter of a rectangle with length 8 cm and width 4 cm?
A = 8 cm + 8 cm + 4 cm + 4 cm
A = 24 cm
Find the area of a quadrilateral that has sides that measures a length of 9 and a width of 6 units.
54 square units
Is a rectangle considered a square or is a square considered a rectangle?
A square is a special type of rectangle.
How are a square and rhombus the same and different?
Same - equal length sides, quadrilaterals, opposite sides are parallel
Different - A square has 4 right angles.
I have 4 right angles. I have 4 sides. 2 pairs of sides are equal length and parallel. What am I?
Rectangle or Square
What is the perimeter of a square with a side of 11?
44
The sides of a rectangular garden are 10, 4, 10, 4. What is the area?
10 x 4 = 40 square units
Why can a square be a rectangle?
Opposite sides are parallel
4 right angles
Quadrilateral
What is the same and different between a pentagon and and an octagon?
Same - not quadrilaterals; no right angles
Different - A pentagon has 5 sides, 5 angles, and 5 vertices. An octagon has 8 sides, 8 angles, and 8 vertices.
I am not a polygon. What am I?
Circle
What is the perimeter of a octagon with a side of 3?
24
A rectangle measures 18 by 11. What is the area?
198 square units
What is a right angle? Name a shape that has at least one right angle?
A right angle is a 90 degree angle "perfect corner."
Square
Rectangle
Trapezoid
What is the same and different about a trapezoid and a rectangle?
Same- Quadrilaterals; can have right angles
Differences: A rectangle has 4 right angles, but a trapezoid cannot have 4 right angles.
A rectangle has opposite sides that are parallel and the same length, but a trapezoid does not have two sets of parallel sides or 2 pairs of sides that are equal in length.
I am a 10 sided shape with 10 angles and 10 vertices. What am I?
A decagon