less than 90 degrees
Acute Angles
Exactly 90 degrees
Right Angle
Between 90 degrees & 180 degrees
Obtuse Angle
Between 180 degrees & 360 degrees
Reflex Angle
Angles on a straight line add up to 180 degrees
Angle on a Straight Line
Angles in a triangle add up to 180 degrees
Angles in a Triangle
Angles at a point add up to 360 degrees
Angles at a Point
Vertically opposite angles are equal
Vertically opposite angles
Corresponding angles are equal (f angles)
Corresponding Angles
Alternate angles are equal (z angles)
Alternate Angles
Allied angles add up to 180 degrees (c angles)
Allied Angles
Vertically opposite angles are equal (x angles)
Vertically Opposite Angles
To divide the line in half
Line Bisector
B- Brackets
I- Indices
D- Division
M- Multiplication
A- Addition
S- Subtraction
Bidmas
1,4,9,16,25,36,49.64.81.100.121.144
square number is when you times a number by its self
square Numbers
2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,&97
prime number is when 1 and its self goes into it.
prime numbers
Data that i collect is called primary data
Types of Data
Data that has been collected by other people is called secondary data
Types of Data
Median- list the number in order, find the middle one
Mode- most common number
Mean- average to do this add all the number and divide by the number there are
Range -what the difference between the smallest and the biggest number
Median, mode, mean and range
height * length = area
Area