180° measures more than 90°, so according to the given statement, a plane angle is also an obtuse angle, and that is incorrect. From that, we conclude that the statement is not a good definition.
<h3>Is the following statement a good definition? </h3>
The given statement is:
"An obtuse angle is an angle whose measure is greater than 90°."
This is the common, but incorrect, definition for obtuse angles.
We know that an angle that measures 180° is called a plane angle and by definition, a plane angle is not an obtuse angle.
And the angles larger than 180° (and smaller than 360°) are the reflex angles.
Now, 180° measures more than 90°, so according to the given statement, a plane angle is also an obtuse angle, and that is incorrect. From that, we conclude that the statement is not a good definition.
If you want to learn more about obtuse angles:
brainly.com/question/5023725
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112 = 7x
16 = x x = 16