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(20 POINTS) One side of a trapezoid is extended and the dotted line forms a right angle with the extended line.
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(20 POINTS) One side of a trapezoid is extended and the dotted line forms a right angle with the extended line.

(20 POINTS) One side of a trapezoid is extended and the dotted line forms a right-example-1
User Asterio Gonzalez
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60 cuz it is a 30-60-90 triangle, and top and bottom r parallel, so 60* must be congruent to 60*
If you have further questions feel free to ask, and I am posting an algebra question soon, it would be great if you could come over and help.
User Ayrton Senna
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