<PRE><B>Question 408878</B>
A circular mirror is surrounded by a square metal frame.
 The radius of the circular mirror is 3x.
 The side length of the metal frame is 15x.
 What is the area of the metal frame?
:
Find the area of the whole thing:
(15x)^2 = 225x^2
:
Find the area of the mirror
{{{pi*(3x)^2 = 28.27x^2}}}
:
Find the metal area surrounding the mirror
225x^2 - 28.27x^2 = 196.73x^2</PRE>