Posted by **Maui** on Wednesday, July 11, 2012 at 8:42am.

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.

what are the dimensions? i forgot how to find the dimensions. please help me .

- Math -
**drwls**, Wednesday, July 11, 2012 at 8:47am
Since the painting is square, the length of each side of the painting, a, is such that

(a + 5)^2 = 3600 cm^2

a + 5 = 60 cm

a = 55 cm

The "5" in that equation is the width of two frame borders that must be added to the painting dimension

- Math -
**Maui**, Wednesday, July 11, 2012 at 9:05am
what's ^2 ? :)

- Math -
**Maui**, Wednesday, July 11, 2012 at 9:16am
could you do it in a RESC form?

- Math -
**drwls**, Wednesday, July 11, 2012 at 9:42am
No to the RESC form, whatever that is.

The logic of the method should be apparent.

^2 means "squared". The ^ in front of the 2 means that the 2 is an exponent.

- Math -
**Maui**, Wednesday, July 11, 2012 at 9:59am
representation, equation, solution and conclusion.

- Math -
**Ian**, Thursday, July 26, 2012 at 6:33am
is that true? the answer, how old are you two?

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