SOLUTION: a square painting is surrounded by 2cm wide frame. If the total area of the painting plus frame is 729 cm^2, find the dimensions of the painting.
Given:
Required:
Representation
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Question 1185695: a square painting is surrounded by 2cm wide frame. If the total area of the painting plus frame is 729 cm^2, find the dimensions of the painting.
Given:
Required:
Representation:
working Equation:
Solution:
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Side of square, x
Total Area frame plus painting,
or , and , so you can finish this.
Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
.
There is no need to write and to solve any equation.
This problem is arithmetic for the 4-th grade level students.
If the area of the square is 729 cm^2, then its side is = 27 centimeters.
Since the frame is 2 cm wide, the side of the square painting is 27 - 2 - 2 = 23 centimeters. ANSWER
Solved and completed.
The instructions are ABSURDIST.
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