Posted by Maui on Wednesday, July 11, 2012 at 8:36am.
a square painting is surrounded by a 2.5cm frame. if the total are of the painting plus frame is 3600 sq cm, find the dimensions of the painting.

Math  Bosnian, Wednesday, July 11, 2012 at 9:43am
f = frame = 2.5 cm
p = dimension of frame
p + f = dimension of one side of square
Area of a square painting :
A = ( p + f ) ^ 2 = 3600
p + f = sqrt ( 3600 )
p + f = 60
p + 2.5 = 60
p = 60  2.5 = 57.5 cm

Math  drwls, Wednesday, July 11, 2012 at 9:43am
Duplicate post. This question has been answered already
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