Respuesta :
Answer:
3, all triangles have 3 angles
Step-by-step explanation:
since a triangle is a 3 sided figure, it will always have 3 internal angles
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3 .All triangles have 3 angles.
3 .All triangles have 3 angles.4. All triangles have 3 straight sides.
3 .All triangles have 3 angles.4. All triangles have 3 straight sides.5 All triangles are plane figures.
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