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Mathematics
Mathematics
Problem
Quadrilateral
P
Q
R
S
PQRS
P
QR
S
is inscribed in a circle. What is the value of
∠
P
+
∠
R
\angle P + \angle R
∠
P
+
∠
R
? a)
90
∘
90^{\circ}
9
0
∘
b)
360
∘
360^{\circ}
36
0
∘
c)
180
∘
180^{\circ}
18
0
∘
d)
200
∘
200^{\circ}
20
0
∘
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