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serious [3.7K]
3 years ago
13

Write the measure of this missing angle

Mathematics
1 answer:
Bogdan [553]3 years ago
7 0

Answer:

c= 30

Step-by-step explanation:

To find the value of c, start by forming an equation using the ∠ sum of ∆ property.

c° +60° +90°= 180° (∠ sum of ∆)

Simplify:

c° + 150°= 180°

c°= 180° -150°

c°= 30°

c= 30

Notes:

  • The sum of the angles in a triangle is 180°, which is abbreviated as '∠ sum of ∆'.
  • The angle indicated by a square is called a right angle, and has a value of 90°.
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