Question

It will be very grateful, if you help.....
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Answer 1

Answer:

In ABD and CBD,

AB=BC (GIVEN)

AD=CD (GIVEN)

BD=DB (COMMON)

BY SSS congruence, ABD CONGRUENT TO CBD.

Since ABD = CBD,

Angle CBD = Angle ABD

35=3X+5

3X=30

X=10

SIMILIARLY

Y-3=25

Y=25+3

=28

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