please help me its super easy

Answer:
Answer is option c) 15.162
Step-by-step explanation:
[tex]area \: of \: a \: rectangle \: = l \times b \: sq.cm \\ here \: l = 4.2 \: cm \: and \: b = 3.61 \\ area \: of \: rectangle \: = 4.2 \times 3.61 \\ = 15.162 \: {cm}^{2} [/tex]
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