Title: Quadrilateral -
1Objective - To identify and describe the
properties of quadrilaterals.
Quadrilateral -
Four sided figure.
Parallelogram -
A quadrilateral with two sets of parallel sides.
2Properties of Parallelograms.
Opposite sides have the same length.
3Properties of Parallelograms.
Opposite angels have the same measure.
4Rectangle -
A parallelogram that has four right angles.
Square -
A rectangle will all sides the same length.
5Quadrilateral
4 sided figure
Parallelogram
Two sets of parallel sides
Rectangle
Parallelogram with right angles
Square
Rectangle with equal sides
6Give all the names that apply to the figure
below. Circle the most specific name.
1)
3)
6
7
10
7
Parallelogram
, Quadrilateral
Quadrilateral
, Parallelogram
, Square
14
3
3
2)
4)
6
6
3
3
8
Quadrilateral
, Parallelogram
Quadrilateral
7Find the measures of x an y in each figure.
y
y
1)
3)
4
x
9
x
8
9
x 4, y 8
x 9, y 9
120
75
105
2)
4)
x
10
y
y
x
x 75, y 105
x 10, y 120
8Find the sum of the measures of the angles and
the perimeter.
C
26
B
12
12
75
A
D
26
Sum of the angles
Perimeter