Classify an equiangular triangle by its angles.
Choose one answer.
a. right
b. acute
c. obtuse
d. cannot be determined
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OpenStudy (anonymous):
i think the answer is A
OpenStudy (anonymous):
i just wanna be assured
Directrix (directrix):
@janessia --> What is the sum of the interia angle measures of a triangle?
OpenStudy (anonymous):
180
Directrix (directrix):
Good. If a triangle is equiangular, then that means its angles all have the same measure. Do you agree?
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Directrix (directrix):
Yes or no?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
and its equilateral too
Directrix (directrix):
Good. If the three angles sum to 180 and all three have the same degree measure, then each angle has measure what?
OpenStudy (anonymous):
90?
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Directrix (directrix):
If each angle has measure x, then x + x + x = 180.
Okay, solve x + x + x = 180 for x. Then you will know what the angle measures are and what kind of triangle this is. Stay with me --> What does x equal?
Directrix (directrix):
x + x + x = 180
3x = 180
x = ?
OpenStudy (anonymous):
60
Directrix (directrix):
Is an angle of measure 60 an acute angle, a right angle, or an obtuse angle?
OpenStudy (anonymous):
acute
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Directrix (directrix):
That is correct. I am uploading a "Classification of Triangles" chart for you to study.