The diameter of a circle is 18 in. Find the radius of the circle.
36 in.
9 in.
4.5 in.
32 in.
2. Adjacent angles of intersecting lines are complementary angles.
True
False
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OpenStudy (tennis5518):
1. is B because r=9in
OpenStudy (phagey):
what about the other one @Tennis5518
OpenStudy (tennis5518):
what do you think
OpenStudy (phagey):
true? @Tennis5518
pooja195 (pooja195):
@phagey Let's do this step by step you are learning nothing by getting the answers.
The radius is half of the diameter 18/2=?
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OpenStudy (phagey):
9
OpenStudy (phagey):
@pooja195
pooja195 (pooja195):
Perfect :-)
OpenStudy (tennis5518):
Adjacent angles share a common vertex and a common ray. Two intersecting lines form pairs of adjacent angles that are supplementary. Also, two intersecting lines form pairs of congruent angles, called vertical angles.
OpenStudy (tennis5518):
so is it false or true
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