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

Perimeter of Rectangle
Untitled
Pathway to Proof: Triangle Angles
seo tool
Building Triangles with Set Areas

Discover Resources

Finding the Formula for the Arc Length of a Circle
Quadratic Functions: Factored Form
Volume of a Sphere
Triangle with Draggable Points
Math 362 Scavenger Hunt finished

Discover Topics

Complex Numbers
Parallelogram
Addition
Translation
Sphere