Question 1031306
<pre>
All sides of a square are equal so MA = AT
                               2x - 5 = x + 10 
                                    x = 15

So MA = 2(15) - 5 = 30 - 5 = 25.  As a check AT = (15) + 10 = 25

So the four sides of the square MATH are 15 each. MA = AT = TH = HM = 15

So the perimeter is MA + AT + TH + HM = 15 + 15 + 15 + 15 = 60

And the area is 15x15 = 225.

{{{drawing(200,200,-1,16,-1,16,
locate(0,0,A),locate(14.7,0,T),locate(0,16.3,M),locate(14.7,16.3,H),


line(0,0,15,0),line(0,1,15,1),line(0,2,15,2),line(0,3,15,3),line(0,4,15,4),line(0,5,15,5),line(0,6,15,6),line(0,7,15,7),line(0,8,15,8),line(0,9,15,9),line(0,10,15,10),line(0,11,15,11),line(0,12,15,12),line(0,13,15,13),line(0,14,15,14),line(0,15,15,15),
line(0,0,0,15),line(1,0,1,15),line(2,0,2,15),line(3,0,3,15),line(4,0,4,15),line(5,0,5,15),line(6,0,6,15),line(7,0,7,15),line(8,0,8,15),line(9,0,9,15),line(10,0,10,15),line(11,0,11,15),line(12,0,12,15),line(13,0,13,15),line(14,0,14,15),line(15,0,15,15)


 )}}}

Edwin</pre>