A right-angled triangle has angles of (3x−5)∘(3x - 5)^\circ(3x−5)∘, (2x+20)∘(2x + 20)^\circ(2x+20)∘, and 90∘90^\circ90∘.
Find the size of the smallest angle in the triangle.
Practise Edexcel GCSE Maths Forming and Solving Equations with exam-style questions for Foundation and Higher tier. 78 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.