Question

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Answer 1

Q7.

In triangle MPR AND MQR

MP=MQ(GIVEN)

/_ PMR=/_QMR (MR IS THE BISECTOR OF /_PMQ)

MR=MR(COMMON)

SINCE TRIANGLE MPR CONGRUENCE TO MQR

PROVED

Answer 2

6) Here,

(ii)AB||CD

IN TRIANGLE AOB and COD,

AB=CD (given)

_OAB=_ODC

_OCD=_OBA

Hence by ASA congruence criterion

∆AOB congruent to ∆ COD

(ii) AO=OD (proved above)

Hence

AO = 1/2 OD

(iii) Similarly,

BC=2OC