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# Angles in Triangles and Quadrilaterals

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by

## Mr Mattock

on 18 September 2016

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#### Transcript of Angles in Triangles and Quadrilaterals

Starter
Find the missing angles:
L.O. - To demonstrate the sum of angles in a triangle and quadrilateral, and calculate missing angles in those shapes.
57
o
a
145
o
155
o
b
b
The angles in a triangle add up to
180
o
o
57
a
b
o
Starter
Find the missing angles:
57
o
123
145
o
155
o
30
30
57
57
57
o
o
o
o
o
o
Main Activity
Complete the RAG Sheet
Main Activity
Complete the RAG Sheet
p = 74, q = 106, r = 77 s = 117, t = 63, u = 63, v = 59
g = 67, h = 47, i = 85 j = 86, k = 86, m = 94, p = 86
a = 63, b = 54 c = d = 73 e = 130 f = 28 g = 140
a = 115 b = 105 c = 72 d = 62
g = 50 h = 83 i = 60 n = 45
Example
Example
Key
Examples

Activities
Activity