Perhaps I was mistaken, I thought, perhaps it isn't her. I
had seen her only once, fleetingly, and that was years ago. It was most probable that I had rung the wrong bell. The woman
let go of the door and stepped to the side.
(a) Who is 'I'?
(1) Mrs. Dorling
(II) Mrs. S
(III) Narrator
(IV) None
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Answer:
Explanation:
Given,
AD and BC are perpendiculars of AB.
:
CD bisects AB
∠BOC = ∠DOC ( ∴ Vertically opposite angles )
DA = BC
∠B = ∠A = 90°
So, by congruence condition, ΔBOC ≅ ΔOAD
So,
now CO = OD
so, it bisects AB on point ''
OA = OB [ by ]
➖➖➖➖➖➖➖➖➖➖➖➖➖
: Angle-Angle-side
: Corresponding Parts of Congruent Triangles
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