Edexcel Gcse Mathematics (Linear) - Algebra - Forming And Solving Equations Page 4
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93.
Diagram NOT accurately drawn
In the diagram, all measurements are in centimetres.
The lengths of the sides of the quadrilateral are
2r + 5
2r
4r – 3
r
(a) Find an expression, in terms of r, for the perimeter of the quadrilateral.
Give your expression in its simplest form.
.........................................
(2)
The perimeter of the quadrilateral is 65 cm.
(b)
Work out the value of r.
r = .....................................
(2)
(4 marks)
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