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Let the height be x:-
If: 0.5*(8+20)*x = 98
Then: x = 98*2/28 = 7 units
Check: 0.5*(8+20)*7 = 98 square units
Therefore the height of the trapezoid is: 7 units

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Q: If a trapeziods area is 98 square units and the bases are 8 and 20 what is the height?
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