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BAD=105° ,BA//AD,BC//DCFind X |
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Answer» Answer: 90° explanation. ba=ad so ang.abd=ang.adb now in TRIANGLE bad. similarly in triangle bcd ang.cbd + ang.cdb= 180 - 75. so ang.cdb=105/2 adding ang.bcd and ang.adb=105/2+75/2=90 |
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