Lena looked at the reflection puzzle. Then she remembered her worksheet. The diagram she’d ignored. A reflection across the Y-axis changes the sign of the X-coordinate.
The triangle on screen slid five units to the right. A dotted line traced its path. A caption appeared:
With a sigh, she shoved the worksheet aside. “Just one level,” she whispered.
Lena looked at the reflection puzzle. Then she remembered her worksheet. The diagram she’d ignored. A reflection across the Y-axis changes the sign of the X-coordinate.
The triangle on screen slid five units to the right. A dotted line traced its path. A caption appeared: fitgirl geometry dash
With a sigh, she shoved the worksheet aside. “Just one level,” she whispered. Lena looked at the reflection puzzle