In Fig. 6.55, QS ⟂ PR, RT ⟂ PQ and QS = RT.
(i) Is ΔQSR ≅ ΔRTQ? Give reasons.
(ii) Is ∠PQR = ∠PRQ? Give reasons.
(i) Yes, by RHS
(ii) Yes, by CPCT
Right angle, hypotenuse, and one side equal ⇒ congruent. Corresponding angles equal by CPCT.