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ladessa [460]
3 years ago
9

Number 10 and number 11 please!.

Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
5 0
10 is 4cm and 11 is 63ft
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Is the following statement a good definition? Why? An obtuse angle is an angle whose measure is greater than 90°.
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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:

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Rewrite the following equation as a function of x.<br> 56x + 7y + 21 = 0
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