SOLUTION: what is the area of an isoseles trapezoid with b1=4, b2=8, and 45 degree base angles?

Question 437609: what is the area of an isoseles trapezoid with b1=4, b2=8, and 45 degree base angles?
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
Find the height of the isosceles trapezoid.
Both base angles are 45 degrees. Two isosceles right triangles are
formed from both sides of the trapezoid, and each right triangle has leg units long. Hence the height of the trapezoid is 2.
Its area is square units.
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