The area of a trapezoid is 145cm2. The height is 10cm and the length of one of the parallel sides is 10cm. Find the length of the second parallel side. Express your answer as a simplified fraction or a decimal rounded to two places.
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Answer:19.00
Step-by-step explanation:
area of any trapezoid =1/2*hieght*(sum of parallel sides)
145=1/2*10*(a+10)
145=5(a+10)
a+10=29
a=19.00
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