4MA1/2F Nov 2021, Question 8: Angles in a Quadrilateral
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2F (Foundation) · Calculator · 3 marks
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The question, in short
A rhombus has one angle of 122° and an adjacent angle of x°. Find x and state a reason for your answer.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 3 marks
- 1A rhombus has parallel sides, so adjacent angles add to 180° (co-interior angles).
- 2x = 180 − 122 = 58
Answer58
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