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Parallel Line Angles

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by

Mr Mattock

on 14 May 2016

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Transcript of Parallel Line Angles

Parallel Line Angles
Starter
Parallel Line Diagrams
Finding missing angles
L.O. - To find missing angles in diagrams with parallel lines.
Further Example
Main Activity 1
Red
Amber
Green
Red
Amber
Green
a = 132 (alt) b = 32 (corr) c = 28 (alt)
d = 112 (corr)
a = 54, b = 54 (alt, corr) a = 73, b = 107 (corr, straight)

a = 55, b = 55 (corr, alt) a = 128, b =52 (alt, straight)

a = 127, b = 53, c = 53 a = 64, b = 64, c = 116
a = 135, b = 45, c = 135, d = 135
a = 102, b = 102, c = 78, d = 78
Beat the Drop
Finding missing angles
a = 115
(Corresponding angles are equal)

b = 65
0
0
Further Example
x = 107 (alternate angles are equal)

y = 107 (corresponding angles are equal)
z = 83 (straight line adds to 180)
o
o
o
Key
Examples

Activities
Activity