Picture Perfect

Autor: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.

Nuevos recursos

Perimeter of a Rectangle with Unknown Sides
General Polar Equation of Conics with Rotation (1)
Parallel Lines & Related Angles: Quick Reminders
bewijs stelling van Pythagoras
巧算長方形周界

Descubrir recursos

Moving Points in the 3D View
The domain and range of a function.
Trapezium Area Investigation TEG INVESTIGATION
Gilliam_B1_rotaiton
Rotation Exploration

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Raíz
Ecuaciones lineales
Números
Diferencia y pendiente
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