Perimeter, Area and Volume

Perimeter, Area and Volume

1. perimeter

   • the length around an object

2. Area

   • A=length x width

3. Volume

   • V=length x width x height

4. Net

   • the net of a cuboid

5. Scale

   • 1:5000 1cm =5000 cm in reality

6. volume

   • cylinder= pie r2 h

7. formulas for area

   • area of a triangle = 1/2 bh
     • area of a circle = pie r 2
   • area of a parallelogram = bh
   • area of a rectangle =ab
   • area of a square = b2
   • are a semi circle 1/2 pir r2

8. perimeter formulas

   • rectangle = 2(a+b)
   • parallelogram = 2(a+b)
   • square = 4b
   • triangle = a+b+c
   • circle = 2 pie r
   • semi circle = pie r + 2r

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