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12345 [234]
3 years ago
11

A watercolor painting is 20 inches long by 9 inches wide. Ramon makes a border around the watercolor painting by making a mat th

at adds 1 inch to each side of the length and the width. what is the area of the mat
?
Mathematics
1 answer:
Elodia [21]3 years ago
6 0
The answer would be 210


20 + 1 = 21 and 9 + 1 = 10

10 x 21 = 210


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