Squares
42=
16
2, 4, 6, 8, 10, ___
12
35 x 0 =
0
a x b= c
if a= 3 and b=4 what is c=?
What is the name of this figure?

ray
52=
25
5, 10, 15, 20, ___
25
12 x 4 =
48
Is this a polygon?

No, it is not closed.
Polygons= closed figures with straight lines
What types of lines are these?
perpendicular
82=
64
10, 20, 30, 40, 50, ___
60
7 x 8 =
56
What is an angle with more than 90 degrees called?
Obtuse Angle
What type of angle is this?
acute angle
112=
121
1,1,2,3,5,8,13, ___
21
12x4
48
What is a right triangle.
What shape is this?

quadrilateral or a trapezoid
122
144
36, 27, 18, __________
9
30 x 50 =
1500
Which angle has 90 degrees?
right angle
How many sides does an octogaon have?