Find the circumference of the circle. Use 3.14 and the symbol that it shows
1 answer:
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Angle 1 = 40°
Angle 2 = x°
Angle 3 = ( x + 28 )°
The value of x.
✅
We know that,
➪ ∠ 1 + ∠ 2 + ∠ 3 = 180°
➪ 40 + x° + x° + 28° = 180°
➪ 2x° + 68° = 180°
➪ 2x° = 180° - 68°
➪ x° =
➪ x° = 56°
∠ 1 + ∠ 2 + ∠ 3 = 180°
✒ 40° + 56° + 56° + 28° = 180°
✒ 180° = 180°
✒ L. H. S. = R. H. S.