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Answer» heya❤️here's your answer, MATE.......7. (a){ Please also refer to my attachment✔️ }/_1 = /_2 .......(vertically opposite angles)97° = /_2/_3 = /_4 .......(vertically opposite angles)/_ 1 + /_3 = 180° .......(linear PAIR)97° + /_3 = 180°/_3 = 180° - 97°/_3 = 83° .........(1)As, /_3 = /_4 ........(proved above)So, /_4 = 83° ........(From equation - (1).THUS, all angles are :-/_1 = 97°/_2 = 97°/_3 = 83°/_4 = 83°.(B)In the same way as first was done........I HOPE this detailed explanation would have helped you.....!! ☺️✨ |
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