Open Math
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Angle relationships
Angle relationships
Find angles in polygons and solve complex parallel line problems.
Space · MA4-ANG-C-01
Sub-topics
Angles in polygons
Use the interior angle sum formula
S
=
(
n
−
2
)
×
180
°
S = (n - 2) \times 180°
S
=
(
n
−
2
)
×
180°
to find unknown angles in polygons and solve algebraic angle problems.
Parallel lines and transversals
Find unknown angles in diagrams involving parallel lines and transversals using corresponding, alternate and co-interior angle properties.