Triangle Congruence

Determine whether the triangles are congruent. If they are, select the congruence theorem.

• Triangles are congruent by SAS.

• Triangles are congruent by SSS.

• Triangles are congruent by ASA.

• Triangles are not congruent.

Determine whether the triangles are congruent. If they are, select the congruence theorem.

• Triangles are congruent by SAS.

• Triangles are congruent by SSS.

• Triangles are congruent by ASA.

• Triangles are not congruent.

Determine whether the triangles are congruent. If they are, select the congruence theorem.

• Triangles are congruent by SAS.

• Triangles are congruent by SSS.

• Triangles are congruent by ASA.

• Triangles are not congruent.

△IHG ≅ △DEF. IH = 5x + 5 and DE = 20. Find x.

• x = 5

• x = 3

• x = 20

• x = 2

What additional information is required to know the triangles are congruent by SAS?