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Mathematics 19 Online
OpenStudy (anonymous):

A triangle has 2 angles that each measure 75°. What kind of triangle is it? A. obtuse triangle B. equiangular triangle C. isosceles triangle D. right triangle

Directrix (directrix):

The attached chart may help.

Directrix (directrix):

@MikeHerman What is the measure of the third angle of the triangle?

OpenStudy (anonymous):

@Directrix there is no chart and the 3rd angle is unknown

OpenStudy (blake57roger):

How many triangles have 2 angles the same measurement

OpenStudy (anonymous):

https://mathway.com/

Directrix (directrix):

I attached the chart in my post above. The sum of the interior angles of a triangle is 180. So, add the two given angle measures and subtract the sum from 180.

Directrix (directrix):

Then, you will have the third angle.

Directrix (directrix):

@MikeHerman What did you get for the third angle?

OpenStudy (anonymous):

40°

Directrix (directrix):

180 - 2*75 is not equal to 40. Try again. @MikeHerman

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