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inessss [21]
3 years ago
7

I’m confused about this question

Mathematics
1 answer:
arsen [322]3 years ago
7 0
Angle B is 102° bc 180-78=102 and if sides DB and BC are congruent, angles D and C must also be, so you can use the original 78 and divide by 2 to get 39° for angle C
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Sphinxa [80]

Answer:

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3 years ago
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