SOLUTION: a trapezoid has one base of 10 inches,an altitude of 6 inches and an area of 51 square inches, find the length of the other base

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Question 1120782: a trapezoid has one base of 10 inches,an altitude of 6 inches and an area of 51 square inches, find the length of the other base
Answer by greenestamps(13200) About Me  (Show Source):
You can put this solution on YOUR website!
The area is the height, times the average of the two bases.

Call the other base length x; then from the given information

51+=+6%28%2810%2Bx%29%2F2%29

Use basic algebra to solve.