Asked by olufunmi

In ∆PQR p= 1.8cm, q = 2.5cm, r = 3.6cm,calculate p.
Answered by oobleck
p= 1.8cm
If you meant P, then use the law of cosines
p^2 = q^2 + r^2 - 2qr cosP
Answered by Mubarak
In angle PQR p=1.8 q=2.5and r=3.6find the angle completely using sin
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