Isosceles base angles proof worksheets
Isosceles base angles proof worksheets give students in Geometry focused practice in isosceles base angles proof. This page has 1 free printable sets, grouped by grade, and every set includes a computed answer key that is never wrong. Print them or save as a PDF, no login needed.
What's inside
- Triangle XYZ with XY ≅ XZ. Prove: ∠Y ≅ ∠Z. Complete the missing statement in step 1 of the two-column proof.
- Triangle PQR with PQ ≅ PR. Prove: ∠Q ≅ ∠R. Complete the missing statement in step 3 of the two-column proof.
- Triangle XYZ with XY ≅ XZ. Prove: ∠Y ≅ ∠Z. Complete the missing reason in step 6 of the two-column proof.
- Triangle EFG with EF ≅ EG. Prove: ∠F ≅ ∠G. Complete the missing statement in step 4 of the two-column proof.
- Triangle ABC with AB ≅ AC. Prove: ∠B ≅ ∠C. Complete the missing statement in step 5 of the two-column proof.
- Triangle JKL with JK ≅ JL. Prove: ∠K ≅ ∠L. Complete the missing statement in step 6 of the two-column proof.
Sample questions. Each set (A, B, C…) has fresh numbers and a computed answer key.
Geometry Isosceles base angles proof
Frequently asked questions
Are these isosceles base angles proof worksheets free?
Yes. Every worksheet on ChalkBee is free to view and print or save as a PDF, with no login required. Pro unlocks the printable answer key and removes the watermark.
Do the worksheets have answer keys?
The answers are computed in code from the exact questions on each sheet. The printable answer key is available with Pro.
What grades do isosceles base angles proof worksheets cover?
Isosceles base angles proof worksheets on this page cover Geometry. There are 1 printable sets in total, grouped by grade so you can pick the right level.
How do I print or download them?
Open any set, then use your browser's print option to print it or to save it as a PDF. The pages are laid out to print cleanly on standard letter or A4 paper.