shamim5364
17.12.2019 •
Mathematics
So i am taking a test and i need bad like i am stuck on this question
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Ответ:
70/sin38°
Step-by-step explanation:
According to question,we have
PQ=70 , ∠P=90° & ∠R=38°
We know, sine rule
So, Sin90° / QR = Sin38° / 70
on solving, we get
QR = 70 / Sin38°