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Edexcel IGCSE Math A Higher 4.2.E polygon angle sums

Edexcel IGCSE Math A Higher 4.2.E polygon angle sums
Edexcel IGCSE Math A syllabusMath A 4MA1First assessment 2018

Practise polygon-angle questions by choosing the correct angle-sum formula, adding known angles and solving for the unknown value.

How this is tested

  • Use the interior angle sum of a pentagon, decagon or other polygon to find x.
  • Combine exterior-angle information with polygon angle sums to solve for a missing angle.

Question 4

[Maximum number: 3]

The diagram shows a pentagon.

Figure for Question 4 — Edexcel IGCSE Math a Higher

Diagram NOT accurately drawn

Work out the value of x

x=