Triangle Congruence: HL
Construct a right triangle with a hypotenuse of length 17 and a leg of length 8.
1. Select the SEGMENT WITH GIVEN LENGTH 
tool, and enter a length of 8.
2. Select the PERPENDICULAR LINE 
tool. Click on segment AB and then on point A.
3. Select the CIRCLE: CENTER & RADIUS 
tool. Click points B, and enter a radius of 17.
4. Use the INTERSECT 
tool to mark the third vertex of your circle as point C.
tool, and enter a length of 8.
2. Select the PERPENDICULAR LINE tool. Click on segment AB and then on point A.
3. Select the CIRCLE: CENTER & RADIUS tool. Click points B, and enter a radius of 17.
4. Use the INTERSECT tool to mark the third vertex of your circle as point C.Construct a right triangle with a hypotenuse of length 17 and a leg of length 8. What are the other two angles? What is the third side? (Confirm the third side with the Pythagorean Theorem).
Construct a right triangle with a hypotenuse of length 13 and a leg of length 5. What are the other two angles? What is the third side? (Confirm the third side with the Pythagorean Theorem).