SOLUTION: If a=266, h=19, and b2=6, find the value of b1

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Question 1032550: If a=266, h=19, and b2=6, find the value of b1
Found 2 solutions by ikleyn, robertb:
Answer by ikleyn(52786) About Me  (Show Source):
You can put this solution on YOUR website!
.
Who is b1?


Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
The area of of a trapezoid is A+=+%28h%2F2%29%28b%5B1%5D%2Bb%5B2%5D%29.
==> 266+=+%2819%2F2%29%28b%5B1%5D%2B6%29.
==> 28+=+b%5B1%5D%2B6.
==> b%5B1%5D+=+22.