Step-by-step explanation:
= 32.5+3=35.5 cm
= 12+3 = 15 cm
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✒️Answer ✒️
= 142.5 cm^2
Step-by-step explanation:
Area of the photograph = 32.5 cm * 12 cm = 390 cm^2
Length of cardboard = 32.5 + 2*1.5
= 32.5+3=35.5 cm
Breadth of cardboard = 12+2*15
= 12+3 = 15 cm
Area of the cardboard = 35.5*15= 532.5 cm^2
therefore, the area of the cardboard not covered by the photograph = 532.5 — 390=
= 142.5 cm^2