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Sagot :
Answer:
我猜 ∠PQS 也将是 71°,因为 ∠RQS = 71° 并且假设 QS 平分∠PQR。现在为了找到∠PQR,您可以添加∠RQS和∠PQS。所以,
∠PQR=∠RQS + ∠PQS= 71°+71°= 142°
希望有帮助 :)
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