Intersecting Reflections I
- Esther Gruenhut
Given are two lines intersecting at point . You can change the lines (and therefore the angle between them) by moving points and . Use the scroll bar 'reflect' to perform successively a reflection of Point with respect to line 1 to and then reflect with respect to line 2 to point . Now use the checkbox to see the measure of angle . What is the relationship between the angles and ?