= 2π r a Area of circle = π r2 h b r The QuLeave blank Write your answers in the spaces provided. You must write down all stages in your working. 1. In July 2002, the population of Egypt was 69 million. By Jul
Volume of cylinder = π r2h h Curved surface area of cylinder = 2π rh Area of a trapezium = 1 2 (a + b)h a h b The Quadratic Equation The solutions of ax2 + bx + c = 0 where a ≠ 0, are given by x = −b ± b2 − 4ac 2a N20710RA 2 Answer ALL TWENTY questions...
Areaofcircle=πr 2 Areaofatrapezium=(a+b)h 1 2 b a opp adj hyp b a h le n g th section cross a 2 +b 2 =c 2 Volumeofprism=areaofcrosssection×length Volumeofcylinder=πr 2 h Curvedsurfacearea ofcylinder=2πrh h r
2.15 Understand the factors that affect the rate of movement of substances into and out of cells to include the effects of surface area to volume ratio, temperature and concentration gradient - Video 2.16 Describe simple experiments on diffusion and osmosis using living and non-living systems.- Vi...
The volume of the cuboid is 40 cm3. Given that x and h can vary and that the surface area of the cuboid has a minimum value, find this value. [5] © UCLES 2020 0606/21/M/J/20 PMT 16 BLANK PAGE Permission to reproduce items where third-party owned material protected by copyright...
IGCSE Maths past paper数学考试题