Which pair of triangles can be proven congruent by SAS? 2 identical triangles are shown. The triangle is reflected across a line to form the second triangle. 2 identical triangles are shown. The triangle is rotated 90 degrees to form the second triangle. 2 identical triangles are shown. The triangle is reflected across a line and then rotated to form the second triangle. 2 identical triangles are shown. The triangle is rotated up and to the left 90 degrees to form the second triangle.

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Answer:

its the third option

Step-by-step explanation:

the one with 2 rings on the second longest angle 2 lines on longest side one side and 1 line on the shortest side

Answer:

The triangle is congruent by SAS in given conditions. As in explanation A,B,C and D.

Step-by-step explanation:

Given information:

Two identical triangles are shown to prove congruent by Side-Angle-Side

(SAS).

(A) In this case the triangle is reflected across a line to form the second triangle .

As, we can observe the dimensions of the triangle is mirror image of the given triangle hence no changes will be there in dimensions.

Hence the triangle will be congruent by SAS theorem.

(B) In this case the triangle is rotated [tex]90^o[/tex] to form the second triangle .

As, we can observe the second triangle is replica of the first triangle and is still same. so, no changes will be there in dimensions.

Hence, the triangle is congruent by SAS theorem.

(C)  In the given case the the triangle is first reflected across the line and then reflected across the line to form the another triangle.

As one can observe after both the changes the obtained second triangle is having same specifications as the first one.

Hence, the triangle is congruent by SAS theorem.

(D) In this case the triangle is rotated up and to the left [tex]90^o[/tex] to form the second triangle.

we can observe the dimensions of the triangle is mirror image of the given triangle hence no changes will be there in dimensions.

Hence, the triangle is congruent by SAS theorem.

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