In given figure triangle ABC is right angled at B. ACDE & BCGF are squares. Prove (i) triangle BCD is congruent to triangle ACG (ii)AG =BD Share with your friends Share 0 Rashi Lokwani answered this Dear Student, ∠DCA = 90° (Since ACDE is a square)∠GCB = 90° (Since ACDE is a square)Now, ∠BCD = ∠DCA + ∠ACB⇒∠BCD = 90° + ∠ACB ....(1)And,∠GCA = ∠GCB + ∠ACB ⇒∠GCA = 90° + ∠ACB ....(2) From (1) and (2)⇒∠BCD = ∠GCAIn ∆BCD and ∆GCA,CD = CA (Sides of the same square)∠BCD = ∠GCA (Proved above)GC = BC (Sides of the same square)Hence,∆BCD ≅ ∆GCA, By SAS congruence criterion.Also, DB= AG by CPCT Regards 0 View Full Answer