4MA1/2F Jun 2021, Question 10: Constructing Triangles
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2F (Foundation) · Calculator · 2 marks
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The question, in short
Using the given side AB = 7 cm, BC = 6.2 cm and angle ABC = 65°, accurately draw triangle ABC.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 2 marks
- 1Draw a line from B at an angle of 65° ± 2° to AB
- 2Draw an arc centered at B with radius 6.2 cm ± 0.2 cm
- 3Mark point C where the line and arc intersect
- 4Complete triangle ABC by joining C to A and C to B
AnswerAn angle of 65° drawn at B and an arc of 6.2 cm from B fixing C, with AC joined
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