The angles in a triangle are 29∘29^\circ29∘, 87∘ 87^\circ\,87∘ and 64∘64^\circ64∘.
Show that the size of the largest angle in a triangle is three times the size of the smallest angle and that the other angle is 35∘ 35^\circ\,35∘ more than the smallest angle. You must show your working.
139 exam-style questions on WJEC GCSE Maths Forming and Solving Equations. Each one has a worked solution and a mark scheme showing where the marks go.