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2 years ago

100 PTS PLEASE HELP I DO NOT UNDERSTAND!!!!

Mathematics

2 answers:

vodomira [7]2 years ago

7 0

Hope this help!!!

Have a great day!!!

igor_vitrenko [27]2 years ago

7 0

Answer:

Solution given;

m<DCA=<BCA[diagonal of a parallelogram or rhombus bisect the angle]

13x-16=9x+4

13x-9x=16+4

4x=20

x=20/4

x=5.

now

2<ADB+<BCD=180°[co interior angle]

2<ADB=180-13*5+16-9*5-4

<ADB=82/2

<ADB=41 ° is a required answer.

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======================================================

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