(Q10) In △PQR, right angle is at Q, PQ = 3 cm and PR = 6 cm. Determine ∠QPR and ∠PRQ.
P
Q
R
Given PQ = 3 cm and PR = 6 cm
Therefore,
PR
= sin R
or sin R =
=
1
So, ∠PRQ =
°
and therefore, ∠QPR =
° (why?)
Clear