Step-by-step explanation:
•Measurements of watercolour painting:-
length ( L ) = 16 Inches
Wide (W) = 8 Inches
•Measurement after adding boarder:-
length ( L ) = 17 Inches
Wide (W) = 9 Inches
Hence it is rectangle,
= 17 × 9
= 153 Inches
Therefore, The Area of Mat is 153 Inches.
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