Calculate area of prism

( Equivalent to: surface area of prism )

In next fields, kindly type the dimensions of your shape in the text box under title [ Unknowns: ]. After you type your value, click "CALCULATE" button; the answer will be automatically calculated and displayed in the text box under title [ Answer: ]. Also, you will be able to animate your shape through buttons under the below figure.


How to Calculate Area Of Prism

Example: What is the area of prism with no-of-sides = 5 units, side-size = 15 units and altitude = 30 units?


As;

area of prism = 2*no-of-sides*(side-size)2/(4*tan(180/no-of-sides))+no-of-sides*side-size*altitude

By substituting the above given data in the previous function;

(i.e.) = 2*5*(15)2/(4*tan(180/5))+5*15*30

Answer is: units2.


Practice Question: Calculate area of prism for the following problems:


N.B.: After working out the answer of each of the next questions, click adjacent button of see the correct answer.

( i ) no-of-sides = 6 units, side-size = 18 units and altitude = 24 units

( ii ) no-of-sides = 6 units, side-size = 19 units and altitude = 23 units

( iii ) no-of-sides = 4 units, side-size = 18 units and altitude = 20 units


References
  • Wikipedia

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