Question 1193596
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Hey, the idea of this problem is that the angles marked in the same way (having the same designations) are congruent,

i.e. have equal (degree) measure.


Therefore,  angle A = angle H, and you can write an equation

    2x + 3 = 69.


From this equation, find x;  then find the measures of angles A and D.


Angle L has the same measure as angle D.
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Now you have all instructions, needed to you to complete the job on your own.