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

apec
Function Machine
Set Operations (2 Sets)
Kite Function Art
רישום חופשי

Discover Resources

Enlarging a Triangle
Visualising Complex Solutions to Quadratic Functions
Intersecting Chords Theorem
Feuerbach's Theorem
Idea of Confidence Intervals

Discover Topics

Rotation
Variance
Equilateral Triangles
Angles
Cone