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

Mandelbrot
Rotating Custom Polygons Around an Axis
Squaring a Rectangle (PST Version)
Right Triangle Inscribed in a Semicircle
Marion's Theorem

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Sector Area
rektangel
ورقة عمل 2 مجموعة 2 نشاط 7 مع بناء جدول اكسل.
Convergência Método de Newton Problema 4
Tonnage and volume of a boat hold

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Vectors 3D (Three-Dimensional)
Geometric Mean
Intersection
Line Segment
Root