+580 Jun 8, 2022
Find $DB$ in the diagram below. [asy] size(250); pair A,B,C,D; A=origin; B=(4,0); C=3dir(30); D=(2.3,0); draw(C--A--B--C--D); dot("$A$",A,SW); dot("$B$",B,SE); dot("$C$",C,N); dot("$D$",D,S); label("$2$",A--D,S); label("$30^\circ$",A,6dir(15)); label("$45^\circ$",B,4dir(158));read more .. 
+88 +580
