1) 1& 2 are vertical s 2 4 4 2 n 2 1 1 3 4 1 4 3 2) n 3 1 1 4 3 4 3) j k k 1 2 2 3 1 3 4) j k k 1 2 2 3 1 3 3& 6 are vertical s 3 6 1 6 5) n 7 & 6 are Linear pair 3 7 7 & 6 are supplementary m3 m7 m7 m6 180 m3 m6 180 6) 7 & 6 are n Linear pair 2 6 7 & 6 are supplementary m6 m7 180 m2 m7 180 m2 m6 7) m1 101 m5 101 m1 m2 1 5 n 8) 7 & 6 are Linear pair 7 & 6 are supplementary m6 m7 180 m6 75 75 m7 180 m3 105 m7 105 m7 m3 7 3 n 9) 8 & 6 Vertical s 6 8 8 2 6 8 n 10) 2 and 3 form linear pair 2 and 3 7 is supplementary to 2 are supplementary 7 3 n 11) BCD & DCG Are linear pair mBCD mBEF 180 AB DC BCD & BEF Are supplementary BCD & DCG Are supplementary DCG ABC BEF DCG BEF ABC BC EF 12) BC EF ABC BEF BEF DCG ABC DCG AB DC
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