Unit 7 - Area, Surface area, Circumference and volume

Unit 7 - Area, Surface area, Circumference and volume

1. Rectangle

   • Area: Length x base

2. Triangle

   • Area: base x height / 2

3. Trapezium

   • Area: a +b x height / 2

4. Circle

   • Area: 3.142... x r^2
   • Circumference: 3.142... x d

5. Sphere

   • Volume: 4/3 x pi x r^3
   • Surface Area: 4 x pi x r^2

6. Cylinder

   • Volume: pi x r^2 x height
   • Surface Area: x pi x height + 2 x pi x r^2

7. Cone

   • Volume: 1/3 x pi x r^2 x height
   • Surface Area: Pi x r x slant height

8. Pyramid

   • Volume: 1/3 x length x width x height

9. Prism

   • Volume: Cross section x length