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 Between Two Curves
apec
Double Rodin Coil Style Torus
Visualizing the Pythagorean Identity with Sine and Cosine
Making New Year's resolutions for 2026

Discover Resources

Парабола на рисунке
Rotations around x-axis
doğrusal denklem (1)
double integral over circle
geom sep 30
Side Side Side Triangle Construction

Discover Topics

Sine
Linear Programming or Linear Optimization
Conditional Probability
Sequences and Series
Set Theory