Picture Perfect

Author:: wotton.dorothea.18

The Problem:

A 9-by-12 rectangular picture is framed by a border of uniform width. Given that the combined area of picture plus frame is 180 square units, find the width of the border.

New Resources

Area of a Triangle: Intuitive Discovery
Chapter-45: Curl detector
Platonic Solids
Overlapping Absolute Value Graphs
Jackknife resampling for linear data

Discover Resources

Pre-Calc task 3
Rotational Symmetry Redux
Incenter
trigonometry5
SaudiArabistan_Ihasanli2021

Discover Topics

Probability
Translation
Quadrilaterals
Quadratic Functions
Mode