शीर्ष Q पर समकोणिक त्रिभुज ΔPQR में, PQ = 5 सेमी तथा ∠R = 30º है। QR तथा PR ज्ञात कीजिए।
Answers
Answered by
1
Answer:
Step-by-step explanation:
Given: in triangle PQR, angle Q=90°, angle R=30°
PQ=5 cm, QR=? and PR=?
Since tan30°=PQ/QR
1/√3= 5/QR
QR= 5√3 cm
Now, Sin30°= PQ/PR
1/2= 5/PR
PR= 10 cm Ans.
Similar questions
Biology,
6 months ago
English,
6 months ago
Computer Science,
1 year ago
Social Sciences,
1 year ago
Math,
1 year ago
Physics,
1 year ago