A=12(a+b)h\displaystyle A = \frac{1}{2}(a + b)hA=21(a+b)h
Work out the value of A A\,A when a=7a = 7a=7, b=6b = 6b=6 and h=10h = 10h=10
Practise Oxford AQA IGCSE Maths Substitution with exam-style questions for Core and Extended tier. 27 questions, matched to the Oxford AQA IGCSE Maths (9260) specification and written in Paper 1 and Paper 2 (Core: 1C and 2C; Extension: 1E and 2E) 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.