Calculate area of trapezoid
( Equivalent to: surface area of trapezoid )
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 Trapezoid
Example: What is the area of trapezoid with upper base = 10 units, lower base = 38 units and height = 9 units?
As;
area of trapezoid = (upper base+lower base)/2*height
By substituting the above given data in the previous function;
(i.e.) = (10+38)/2*9
Answer is: units2.
Practice Question: Calculate area of trapezoid 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 ) upper base = 12 units, lower base = 36 units and height = 9 units
( ii ) upper base = 16 units, lower base = 33 units and height = 7 units
( iii ) upper base = 25 units, lower base = 30 units and height = 20 units
