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WAEC - Mathematics (1994 - No. 40)
The diagram above shows a circle PQRS in which ∠PRQ = 54
o
and ∠SPQ = 97
o
. Find ∠PQS
61
o
51
o
43
o
39
o
29
o
解释
PSQ = 54
o
∴PQS = 180
o
- (97 + 54)
o
= 29
o
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