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k0ka [10]
3 years ago
8

PLEASE I NEED HELP ASAP

Mathematics
2 answers:
devlian [24]3 years ago
8 0

Answer:

<em>19 </em>

Step-by-step explanation:

(4d - 1)° + 105° = 180°

4d - 1 + 105 = 180

4d = 76

d = <em>19</em>

Lubov Fominskaja [6]3 years ago
7 0

Answer:

19

Step-by-step explanation:

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