d=3h2\displaystyle d = \sqrt{\frac{3h}{2}}d=23h
Make h h\,h the subject of the formula.
Hence find the value of h h\,h when d=6d = 6d=6.
210 exam-style questions on Eduqas GCSE Maths Changing the Subject of a Formula. Each one has a worked solution and a mark scheme showing where the marks go.