Question

In the adjoining figure , ABCD is a parallelogram. Complete each statement along with the difinition or property used .
a) AD= _, b) DC=_, c) ∆DCA= _ , d) ∆ADC= _, e) ∆DAB= _ , f) OC = _ , g) OB= _, h) m∆ DAB + m∆CDA= _ .

Answer 1

Answer:

AD=BC ( Opp sides of //gm are equal )

DC=AB(same as above )

Triangle DCA is congruent to triangle BAC.(SSS Congruence rule)

Triangle ADC is congruent to triangle CBA (SSS Congruence rule)

Triangle DAB is congruent to triangle BCD ( SSS Congruence