Respuesta :

Answer:

A. Side-Angle-Side (SAS).

Step-by-step explanation:

Sides go first. Side.

Angle next. Angle.

Side again. Side.

You got Side angle side.

If quadrilateral be ABCD

There are two traingles∆ABC and ∆ADC

Now

  • AD=BC
  • <DAC=<ACB
  • <BAC=<DCA

Hence

Angle Angle side is correct