56+72+x =180 ( therefore sum of angle in a triangle)
128+x=180
x=180-128
x=52
Answer:
THE MISSING ANGLE = 52°
Step-by-step explanation:
Sum of all angles = 18°0
Let the missing angle be x°
56° + 72° + x° = 180°
x° = 180° - 72° - 56°
x° = 52°
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