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Mathematics 11 Online
OpenStudy (firejay5):

The measures of 2 angles of a triangle are given. Find the measure of the 3rd angle. Show and explain work. 37. y degree, (135 - y) degrees My Answer: The back of the book said 45 degrees as the answer 37. 45 degrees, because 180 - 135 = 45 degrees 135 - y = 180 subtract 135 then add y so then; 180 = 135 + y

Directrix (directrix):

I assume that the two given angle measures are: y degree and (135 - y) degrees. I assume that these are interior angles of the triangle.|dw:1478163069157:dw|

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