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​Q12: Question – Paper 2 – November 2017

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Content:

• Each Interior Angles in a Regular Polygon
• Types of Triangles​

Quizzes:

• ​Interior & Exterior Angles
• Types of Triangles

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Question

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12)

RS and ST are 2 sides of a regular 12-sided polygon.
RT is a diagonal of the polygon.
 
Work out the size of angle STR.
You must show your working.

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