Question

a) AD and BC are equal perpendiculars to a line segment AB. Show that CD bisects A.
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Answer 1

From figure,

In △OAD & △OBC

∠B=∠A.. .....(90
o
)
And,
∠D=∠C
And,
AD=BC

So, byASA congruence criterion rule,

△OAD is congruent to △OBC

Therefore,

OA=OB

Hence,
CD bisects AB

Answer 2

ur answer is attached...