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MENSURATION : :pen: image - Coggle Diagram

- - - - It is a quadrilateral having only a single pair of parallel sides.
      - *Calculation of Area-*
        
        Here, a and b are the two parallel sides and h is the altitude of the trapezium. 'A' stands for the trapezium's area.
- - - - SURFACE AREA
        
        LATERAL
        
        A= 4s^2
        
        TOTAL
        
        A= 6s^2
      - VOLUME
        
        V = Side^3
    - - SURFACE AREA-
        
        TOTAL - 2 ( LH + BH +LB)
        
        LATERAL - 2 ( LH + BH)
      - VOLUME
        
        V= Length X Breadth X Height
    - - SURFACE AREA
        
        Closed on top / on bottom
        
        2pirh + pi*r^2
        
        Fully closed
        
        2pirh + 2pi*r^2
        
        Open top and bottom
        
        2pir*h
      - VOLUME
        
        Hollow
        
        pi h r^2
        
        Closed/open
        
        pi h ( R^2 - r^2)
- - - - EXAMPLES
        
        SQUARE PYRAMID
        
        TRIANGULAR PYRAMID
    - - EXAMPLES
        
        TRIANGULAR PRISM
        
        PENTAGONAL PRISM