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Mathematics 13 Online
eviant:

Is the following statement a good definition? Why? An obtuse angle is an angle whose measure is greater than 90°.

eviant:

@Vocaloid No, it is not. A straight angle has a measure greater than 90°, but it is not an obtuse angle?

Vocaloid:

good, so you could modify the original statement to be "An obtuse angle is an angle whose measure is greater than 90° and less than 180°"

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