To measure an angle:
# Align the bottom line of the protractor with one ray of the angle being measured. # Center the central point along the bottom of the protractor with the junction of the angle being measured. # Find where the other ray of the angle crosses the rounded part of the protractor. The numbered mark at which it crosses is the number of degrees of the angle being measured.
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A protractor (not potractor) is a tool used to measure angles in mathematics.
you can measure a angle with a protracte.
The measure of the obtuse angle would then be double that of the acute angle.
What does a straight angle measure?
the measure of the inscribed angle is______ its corresponding central angle