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

Question 1032550: If a=266, h=19, and b2=6, find the value of b1
Found 2 solutions by ikleyn, robertb:
Answer by ikleyn(52787) (Show Source): You can put this solution on YOUR website!
.
Who is b1?

Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
The area of of a trapezoid is .
==> .
==> .
==> .
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