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Question

In ABC,AB=AC, andCP andBQ are altitudes. Prove that CP=BQ.
1144245_75015e13921b4051ac8e1c9094f9d2fc.png

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Solution

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In ABC,
AB=AC
Since CP & BQ are
altitudes, so :
CPB=BQC=90 ___ (1)
and side AB = AC
and as angle opposite to
equal sides are also equal so
ABC=ACB ___ (2)
In CPB & BQC;
BPC=BQC=90 (from (1))
PBC=QCB (from (2))
and BC = BC (common)
so CPBBQC (By ASA congruency rule)
By CPCT, We can sat that BQ = PC
BQ=PC
Hence proved.

1147075_1144245_ans_192695d23d9e47919eb729624ef54b9d.jpg

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