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4.what is the intersection of two distinct planes a point b line c plane D.ray
5.what does a rope represent?
A.line B.point C.plane D.ray
6.if an angle measures 90°,what kind of angle does it form?
A.acute angle B.obtuse C.right angle D.straight angle
7. all of the following are measures of an acute angle except:
A.90° B.85° C.78° D.5°