1) Between 0 degree and 90 degree a) Straight angle b) Right angle  c) Obtuse angle d) Acute angle 2) Between 90 degree and 180 degree a) Straight angle b) Right angle c) Obtuse angle d) Acute angle 3) Equal to 90 degree a) Obtuse angle b) Acute angle c) Straight angle d) Right angle 4) Equal to 180 degree a) Obtuse angle b) Acute angle c) Right angle d) Straight angle

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