1. Special Triangle Roadmaps
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from Various Sources

2. Fold the top right corner to the lengthwise fold.
Directions:
Fold the paper
lengthwise.
Fold the top right corner to the lengthwise fold.
Fold the bottom left corner so that the bottom is ⊥with lengthwise fold.
Cut out the 2 Δs.
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from Various Sources

3. Label the angle measures. Label x, 2x, & x√3.
Directions:
Label the angle measures.
Label x, 2x, & x√3.
Draw the 2-lane roads as shown.
Label directions as shown.
60°
30°
÷ 2 → x 2x
x√3
X 2 →
÷ √3 →
X √3 →
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from Various Sources

4. Directions: Repeat on the back side. 2x x X 2 → ÷ 2 → X √3 → ÷ √3 →
60°
30°
÷ 2 →
X 2 →
÷ √3 →
X √3 → x 2x
x√3
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from Various Sources

5. Label the angle measures. Label x, x, & x√2.
Directions:
Label the angle measures.
Label x, x, & x√2.
Draw the 2-lane roads as shown.
Label directions as shown.
45°
x√2 x
÷ √2 →
X √2 →
= →
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from Various Sources

6. Directions: Repeat on the back side. x√2 X √2 → ÷ √2 → = → x 45°
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from Various Sources