Vertically Opposite Angles and Angle Expressions
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Silent
Teacher
Narration
Your Turn
Intelligent
Practice
Example
Worked Example
Your turn
@mathsmrgordon
Angle GKJ = 130
o
Angle IKH=
Angle HKJ =
Angle IKG =
Angle GKJ = 120
o
Angle IKH=
Angle HKJ =
Angle IKG =
@mathsmrgordon
Angle BED =
Angle BED =
Angle CEB =
@mathsmrgordon
Angle CEB =
Angle AEC =
Angle LEC =
@mathsmrgordon
Angle BED =
Angle BEC =
x =
@mathsmrgordon
Angle FEC =
x =
x =
y =
@mathsmrgordon
Write an expression for the angle AEC
Write an expression for the angle CEB
@mathsmrgordon
Angle BED =
80
o
Angle BED =
80
o
Angle CEB =
100
o
@mathsmrgordon
Angle CEB =
80
o
Angle AEC =
100
o
Angle LEC =
40
o
@mathsmrgordon
Angle BED =
100
o
Angle BEC =
80
o
x =
50
o
@mathsmrgordon
Angle FEC =
50
o
x =
40
o
x =
40
o
y =
60
o
@mathsmrgordon
Write an expression for the angle AEC =
p
Write an expression for the angle CEB =
180 - p
Delve into the concept of vertically opposite angles and angle expressions through worked examples and practice exercises. Learn to identify, calculate, and express angles in various geometric scenarios, enhancing your understanding of angle relationships.
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Presentation Transcript
Angles: Angles: Vertically opposite angles Vertically opposite angles Silent Teacher Intelligent Practice Your Turn Narration Example For more videos visit mrbartonmaths.com/videos mrbartonmaths.com/videos
Worked Example Your turn Angle GKJ = 130o Angle GKJ = 120o Angle IKH= Angle IKH= Angle HKJ = Angle HKJ = Angle IKG = Angle IKG = @mathsmrgordon
Angle BED = Angle BED = @mathsmrgordon Angle CEB =
Angle CEB = Angle AEC = Angle LEC = @mathsmrgordon
x = Angle BED = @mathsmrgordon Angle BEC =
Angle FEC = x = @mathsmrgordon x = y =
Write an expression for the angle AEC Write an expression for the angle CEB @mathsmrgordon
Angle BED = 80o Angle BED = 80o @mathsmrgordon Angle CEB = 100o
Angle CEB = 80o Angle AEC = 100o Angle LEC = 40o @mathsmrgordon
x = 50o Angle BED = 100o @mathsmrgordon Angle BEC = 80o
Angle FEC = 50o x = 40o @mathsmrgordon x = 40o y = 60o
Write an expression for the angle AEC = p Write an expression for the angle CEB = 180 - p @mathsmrgordon
