Q.7 (a) In the given fig. AD bisects <A and AD L BC.
(i) Is A ADB:A ADC
(ii) state the conditions of congruency,
B
C
(b)Construct an equilateral triangle with side 5 cm.
an
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Answer:
Yes.
In ΔABC and ΔDBCAB=DB (Given)AC=DC (Given)BC=BC (Common)By SSS criterion of congruency, ΔABC≅ΔDBC
No, ∠ABD and∠ACD are not equal
because AB ≠ AC.
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