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Question 19

An isosceles triangle has equal-side tick marks, an apex angle marked y, a left base angle arc, and a right base angle marked x adjacent to an exterior angle of 110°.

a.

Work out the size of the angle marked xxx.

[1]
b.

Work out the size of the angle marked yyy.

[1]
c.

Give reasons for your answer.

[1]
Markscheme

Angles Questions

  1. GCSE
  2. /Maths
  3. /Angles

106 exam-style questions on Edexcel GCSE Maths Angles. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank