Checking and securing understanding of congruent triangles (SAS)

12 questions

1. Sofia says, "If one shape can fit exactly on top of another using reflection, __________ or __________, then the shapes are congruent." Select the words that correctly complete Sofia's statement.
2. Which of these pairs of shapes are congruent to each other?
3. Some Oak pupils are discussing congruence. Which pupils are correct?
4. The diagram shows a pair of congruent triangles. The length of the side marked y is ___ m.
5. The diagram shows a pair of congruent triangles. Which of these Oak pupils are making a correct statement?
6. Select the statements needed to prove the following: "The diagonal of a kite bisects the shape into two congruent triangles."
7. Jun says, "If one shape can fit exactly on top of another using rotation, __________ or __________ then the shapes are congruent." Select the words that correctly complete Jun's statement.
8. Some Oak pupils are discussing congruence. Which pupils are correct?
9. Are triangle ABC and DEF congruent? Explain your answer.
10. Given these two triangles are congruent, find the length of the sides marked x and z.
11. Given these two triangles are congruent, the angle marked y is ___°.
12. ABCD is an isosceles trapezium. Select the statements needed to prove that triangle ABC and triangle ABD are congruent.

License: OGL