TY  - BOOK
AU  - Gilbertson, Nicholas J. 
TI  - Broken Ceiling Lights: : Circular Area Without the Radius (Journal Article)
SN  - 0025-5769
PY  - 2023///
CY  - Reston, Virginia 
PB  - : National Council of Teachers of Mathematics
KW  - Reasoning/Sense Making/Proof| Mathematical Practices| Attend to precision| Professional Development / Teacher Training| Math Content Courses
N1  - ***______{For Hard Copy, Please visit Library.}________***


N2  - Abstract: A customer walks in to a lighting store with a broken ceiling light, and the solution to finding a replacement glass illuminates an alternative approach to finding the circumference and area of a circle without knowing the circle’s center, radius, or diameter
UR  - https://doi.org/10.5951/MTLT.2023.0120
ER  -