Find d and all three sides
The triangles are congruent so \(2d+10\) and \(45-3d\) are the sameSo we have\(2d+10=45-3d\)⇒\(5d+10=45\)⇒\(5d=35\)⇒\(d=7\)Plug in:\(2d+10=2(7)+10=14+10=24\)\(45-3d=45-3(7)=45-21=24\)\(d+8=7+8=15\)