Transformation & Rectangle Area (different orientations)
1) What is the area before moving the slider? How can it be calculated? 2) What is the area after moving the slider? How can it be calculated?
Maximize the Area of a Rectangle with Fixed Perimeter
Page 250 Lara Wiedemeier
Cheryl Coles' Conjecture
Isabelle Garand_equilateral triangle
large angle of triangle