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If a Student States That the Sum of the Angles

Question 7

Multiple Choice

If a student states that the sum of the angles of a triangle is not always 180° because it is greater than 180° in the study of spherical geometry, the student is probably
operating at which van Hiele level?


A) Analysis.
B) Deduction.
C) Informal Deduction.
D) Rigor.
E) Visualization.

Correct Answer:

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