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123-B4-1

Number of Angles (1)
1. Find the number of acute angles and obtuse angles in each shape.

Example

a.

Number of acute angles: Number of acute angles:
Number of obtuse angles: Number of obtuse angles:

b. c.

Number of acute angles: Number of acute angles:
Number of obtuse angles: Number of obtuse angles:

d. e.

Number of acute angles: Number of acute angles:
Number of obtuse angles: Number of obtuse angles: