mixedlife820
mixedlife820
23-01-2021
Mathematics
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69bigbrain420
69bigbrain420
23-01-2021
If all angles add up to 360 and D is 71 and it is congruent to a so 71 x 2 =142
360 - 142 = 218 since there is 2 angles decide by 2 218/2 = 109
B=109
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