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pshichka [43]
3 years ago
9

10th- Grade geometry Please help any help is appreciated

Mathematics
1 answer:
Alex3 years ago
5 0
< BDM = 45 <==

DM ( the angle bisector) divides < BDJ into 2 equal angles. And since < CDJ = 90, < BDJ = 90.....and the bisector splits < BDJ into 2 equal angles, so < BDM = 45 and angle JDM = 45
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