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Sagot :
Answer:
Step-by-step explanation:
12x+15x+8x+5=180 degree(being sum of interior angles of a triangle)
35x=180-5
x=175/35
x=5
Answer:
Step-by-step explanation:
Equation
12x + (8x + 5) + 15x = 180 All triangles have 180o for their interior angles.
12x + 8x + 5 + 15x = 180 Combine like terms on the left
35x + 5 = 180 Subtract 5 from both sides
- 5 -5
35x =175 Divide by 35
x = 5
It's not clear what you want. x = 5 is one possibility
12x = 60
15x = 75
8x+5=45
is another possiblity
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