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Answer:
42 cm²
Step-by-step explanation:
The area (A) of the blue rectangle is calculated as
A = length × breadth
The length of the blue rectangle = length of white rectangle = 7 cm
The breadth of the blue = length of white - (2 × 0.5) = 7 - 1 = 6 cm
A of blue rectangle = 7 × 6 = 42 cm²