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Mathematics
Mathematics
Problem
In a cyclic quadrilateral PQRS,
∠
P
=
72
∘
\angle P = 72^{\circ}
∠
P
=
7
2
∘
and
∠
Q
=
98
∘
\angle Q = 98^{\circ}
∠
Q
=
9
8
∘
. Calculate: (i)
∠
R
\angle R
∠
R
(ii)
∠
S
\angle S
∠
S
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