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Mathematics 7 Online
OpenStudy (anonymous):

An isosceles trapezoid has base angles of 45° and bases of lengths 9 and 15. The area of the trapezoid is

OpenStudy (anonymous):

|dw:1376986900990:dw| Without too much math, it must be possible to solve this problem. Take a look at the drawing. With a bit of creativity you can see two squares in the trapezoid: one with an area of x*y and one which is composed of the two triangles at each end. Can you calculate x and y based on the drawing ?

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