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Aleonysh [2.5K]
3 years ago
7

unknown angle problems

Mathematics
1 answer:
Scorpion4ik [409]3 years ago
3 0

Answer:

12°

Step-by-step explanation:

(x+42)°+3x°=90°

x°+42°+3x°=90°

4x°=90°-42°

4x°=48°

4x°/4=48°/4

x°=12°

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Answer:

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Step-by-step explanation:

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5 0
4 years ago
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7 0
3 years ago
Please give answer quickly in simplest form
abruzzese [7]
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4 years ago
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Answer:

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3 years ago
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