Let the Study Guides explain how to calculate angles inside different shapes. See below ...

Covers the whole of the National 5 Maths course

Created by an experienced maths teacher

Resources used with students studying Maths in Scottish Secondary Schools

Understanding how to calculate Angles inside Shapes is important to ensure your success in assessments, tests and exams.

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Exam Ques 1 (GCSE) | Angles |

Exam Ques 2 (GCSE) | Angles - Polygons 1 |

Exam Ques 3 (GCSE) | Angles - Polygons 2 |

Exam Ques 4 (GCSE) | Angles - Parallel Lines |

Exam Ques 5 (N5) | Circles |

Exam Ques 6 (N5) | Circles |

Worksheet | Triangles in Circles |

PowerPoint 1 | Symmetry in Circles 1 |

PowerPoint 2 | Symmetry in Circles 2 |

PowerPoint 3 | Triangles inside Circles |

Consider the example below where, in the exam, you may be asked to find the exterior angle:

To find the Exterior Angle:

*Divide the Pentagon up into five triangles to give a centre angle of 72°**Using isosceles triangle properties, the internal angle is 54°**External Angle = 180º – Internal Angle which gives an answer of 126º*

Knowledge of basic angle facts are required:

*Vertically opposite angles**Angles round a point**Angles inside equilateral and isosceles triangles**Complementary & supplementary angles**Corresponding (F) & Alternate (Z) angles**Knowledge of tangents to circles**Angles in semicircles**Angles connected with polygons*

We cover everything you need to know about Angles inside Shapes here in the Study Guides.

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to study Angles inside Shapes

Past/Practice Exam Papers, Theory Guides, Worksheets, Starter Questions, Mind Maps, PowerPoints, Videos, Exam Focused Study Pack ...

Past/Practice Exam Papers, Theory Guides, Text Book Solutions, Starter Questions, Mind Maps, Videos, Exam Focused Study Pack ...

Past/Practice Exam Papers, Theory Guides, Text Book Solutions, Starter Questions, Mind Maps, Videos, Exam Focused Study Pack ...

Past/Practice Exam Papers, Theory Guides, Mind Maps, PowerPoints, Videos ...

Past/Practice Exam Papers, Mind Maps, PowerPoints, Videos, Exam Focused Study Pack ...

Primary, S1-S2, N3, N4, N5, GCSE, Higher, AH Maths, AH Statistics & AH Maths of Mechanics ...

Topic Links

Free resources to dozens of National 5 Maths topics are available by clicking on any of the links to the right ...