Answer :
SAS postulate is the postulate that proves the given triangles are congruent.
What is Triangle ?
Triangles are three-sided polygons with three vertices. The angles of the triangle are formed by connecting the three sides end to end at a point. The sum of the triangle's three angles equals 180 degrees.
Given,
A cube with congruent square faces.
Step 1: Create a labelled diagram by outlining the triangles and.
The diagram illustrating the triangles ΔABF and ΔBCG
See the attachment
Step 2 - Step description.
As an example, a cube has faces that are congruent squares.
Therefore, AB = BC = BF= CG and ΔABF = ΔBCG =90°
That implies, AB ≅ BC ≅ BF≅CG and ΔABF ≅ ΔBCG =90°
Step 3 - Description of step.
In the triangles ΔABF and ΔBCG, it can be seen that AB = BC , ΔABF =ΔBCG = 90° and BF=CG
Using the SAS postulate, the triangles ΔABF and ΔBCG are thus congruent triangles.
SAS postulate is the postulate that proves the given triangles are congruent
To learn more about Triangle visit:
brainly.com/question/29083884
#SPJ4