PQRS is a cyclic quadrilateral. If ∠QPS = 75°, what is the size of ∠QRS?
a
180o
b
150o
c
105o
d
75o
Explanation
Correct Option
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tiwatopemi
6 years ago
A theorem says opposite angles of cyclic quadilateral are supplementary. that is, their sum is equals to 180.
QRS = 180 - 75 = 105
