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nordsb [41]
2 years ago
9

Help! also please show work (and what letter it is A,B,C, or D).

Mathematics
1 answer:
frozen [14]2 years ago
8 0

Answer:

this angle is 90°.

5x°+55°=90°

5x=90°-55°

5x=35°

x=35/5

x=7

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Does anyone know what this is?
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Damm [24]

Answer:

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