Picture Perfect

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.

Nouvelles ressources

Prism Drawn in 2-Point Perspective
רישום חופשי
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Découvrir des ressources

Construct an incircle and a circumcircle of a triangle
TH17 17A2
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Découvrir des Thèmes

Similitude
Logarithme
Rotation
Limites
Probabilité