More Alphabet Geometry:
Angles | Acute Angles | Right Angles | Obtuse Angles | Vertical Angles
Parallel and Perpendicular Lines | Transformations | Similar Letters
What can you learn by looking at the letter K?
| When the letter K is turned on its side, we see an angle >90º (greater than 90º). | |
Therefore...
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When
you look at the letter K, you see an OBTUSE ANGLE.
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Review:
What is an obtuse angle?
Where
are the obtuse angles? How many can you find?
An obtuse angle has a measure greater than 90º.
Are there other letters with obtuse angles?
| How many obtuse angles does the letter X have? Make an educated guess and then push the button on the right to find out. | |
| Can
you spot the obtuse angles in the letter Y? Guess how many there
are and then click the button on the right to find out if you were
correct. |
| Quick Quiz | ||
An obtuse angle can have a measure of 85º. True False
Which angle above is an obtuse angle? Angle A Angle B
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| More
Alphabet Geometry |
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Parallel and Perpendicular Lines
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