WILL MEDAL!!!
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°
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OpenStudy (rebeccapink6398):
@jigglypuff314
OpenStudy (anonymous):
the answer is C!!
jigglypuff314 (jigglypuff314):
There are a total of 360 degrees in a quadrilateral.
so 360 - 70 - 70 - 115 = (missing angle)
OpenStudy (rebeccapink6398):
could you also help me with this??>>>>>
Two angles of a triangle measure 58° and 104°.
What is the measure of the third angle of the triangle?
A.
18°
B.
28°
C.
32°
D.
76°
jigglypuff314 (jigglypuff314):
there are 180 degrees in a triangle
so total degrees minus given angles = missing angle
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