Melly0001
Melly0001 Melly0001
  • 23-02-2022
  • Mathematics
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HELP HOW DO I DO THIS

HELP HOW DO I DO THIS class=

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lpina68 lpina68
  • 23-02-2022

Answer:

x = 35°

Step-by-step explanation:

The three angles in a triangle add up to 180°.

The little square in the corner of one angle means that is a right angle and is 90°.

90° + 55° + x = 180°

145° + x = 180°

Subtract 145° from both sides.

x = 180° - 145°

x = 35°

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