Edexcel IGCSE Math A Higher 7 Mathematical Problem Solving and Reasoning Questions

Practise Edexcel IGCSE Maths Foundation and Higher problem-solving by making deductions, comparing circle radii and drawing conclusions.

Covered syllabus points

Problem-solving Mathematical reasoning

[Maximum number: 1]

Two circles, $C_{1}$ and $C_{2}$ , are drawn on a centimetre grid, with a scale of 1 cm for 1 unit on each axis.

The centre of circle $C_{1}$ is at the point with coordinates (-1,3) and the radius of $C_{1}$ is 13 cm.

The centre of circle $C_{2}$ is at the point with coordinates (7,18) and the radius of $C_{2}$ is 6 cm.

Explain why circle $C_{1}$ intersects circle $C_{2}$

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Covered syllabus points

Question 1