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Mathematics 21 Online
OpenStudy (yinshy):

Two angles of a quadrilateral each measure 70°. A third angle of the quadrilateral measures 115°. What is the measure of the fourth angle of the quadrilateral? A. 40° B. 65° C. 105° D. 115°

rishavraj (rishavraj):

sum of all angles of a quad = 360 ...

OpenStudy (threshsupport):

c

rishavraj (rishavraj):

@threshsupport no direct answers :)

OpenStudy (threshsupport):

he has been doing this for hours....

OpenStudy (threshsupport):

question after question I'm tired of typing

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