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Question

ABDPQS and AD and PS are the medians, then


A

ACBC=PRQR

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B

ACBC=QRPR

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C

ACAB=QRPR

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D

ABAC=QRPR

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Solution

The correct option is A

ACBC=PRQR


If ADBPSQ ,

ABPQ=ADPS=BDQS
(corresponding sides of similar triangles will be in same ratio)

B=Q (corresponding angles of similar triangles will be equal)

ABPQ=2BD2QS=BCQR

Now, consider ABC and PQR.

B=Q
ABPQ=BCQR

ABCPQR (by SAS similarity criterion)

ACPR=BCQR=ABPQ
ACBC=PRQR


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