Help me with this math exercice please
2 answers:
Answer:
? = 152-x
Step-by-step explanation:
The sum of the angles of a triangle equal 180
A+B+C = 180
28 + ? +x = 180
? = 180 - 28 - x
? = 152-x
Answer:
? = ( 152 - x )°
Step-by-step explanation:
- We know that sum of all angles of triangle is 180°.
28° + x° + ? = 180°
subtract 28° from each side
28° - 28° + x + ? = 180° - 28°
x + ? = 152
Now, subtract x from each side
x - x + ? = 152 - x
? = 152 - x
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