Are two triangles similar? Compare angles
Triangles are similar if their angles match. Find each third angle first. Write yes or no.
Loading a question…
You've done today's 10 free questions.
Come back tomorrow for 10 more, or get unlimited practice with a membership.
Want more today? Print 20 more questions free, with the answers.
Already a member? Sign in.
See worked examples
Triangle 1 has angles of 73° and 27°. Triangle 2 has angles of 73° and 27°. Are the triangles similar? Write yes or no.
Answer: yes
Triangle 1 has angles of 84° and 40°. Triangle 2 has angles of 56° and 40°. Are the triangles similar? Write yes or no.
Answer: yes
Triangle 1 has angles of 65° and 30°. Triangle 2 has angles of 65° and 30°. Are the triangles similar? Write yes or no.
Answer: yes
Tip: Triangles are similar if their angles match. Find each third angle first. Write yes or no.
Print a worksheet of this skill New questions and an answer key, free.
Up next
- Next in this topic Solve for x: the angles of a triangle Second Year
- Need a warm-up? Complementary angles First Year
Print a free worksheet with answers (20 questions).
Practise without limits
Members practise as much as they like, every day, and get the printable packs and lessons too.