OCR GCSE Mathematics · J560
Specification 10.02a, 10.02c · Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Foundation), Paper 4 (Higher), Paper 5 (Higher), Paper 6 (Higher)
Revise: Rectilinear PerimeterA rectilinear shape has straight sides which meet at right angles. Its sides therefore run in two perpendicular directions—often drawn horizontally and vertically. Rectangles and squares are familiar examples.
- Revise: Composite Perimeter
A polygon whose sides meet at right angles, so its edges run horizontally or vertically.