A triangle has angles 60° and 75°. Find the third angle. Use the labeled model and write one justified step.
Unit 03 · Foundation Pathway
Triangle Congruence & Proof
Printable mixed practice. Show constructions, calculations, proof statements, and units.
Khaemenes Academy Geometry
Foundation Practice
Two sides are 11 and 11. State the integer range for the third side x. Use the labeled model and write one justified step.
A triangle has angles 70° and 69°. Find the third angle. Use the labeled model and write one justified step.
Two sides are 10 and 11. State the integer range for the third side x. Use the labeled model and write one justified step.
A triangle has angles 37° and 50°. Find the third angle. Use the labeled model and write one justified step.
Two sides are 5 and 7. State the integer range for the third side x. Use the labeled model and write one justified step.
A triangle has angles 43° and 48°. Find the third angle. Use the labeled model and write one justified step.
Two sides are 10 and 11. State the integer range for the third side x. Use the labeled model and write one justified step.
A triangle has angles 46° and 71°. Find the third angle. Use the labeled model and write one justified step.
Two sides are 8 and 10. State the integer range for the third side x. Use the labeled model and write one justified step.
A triangle has angles 62° and 68°. Find the third angle. Use the labeled model and write one justified step.
Two sides are 7 and 8. State the integer range for the third side x. Use the labeled model and write one justified step.