[tex]\boxed {\boxed {\text {Area = Length x Width}}}[/tex]
[tex]\text {Area =} 2 \dfrac{1}{4} \times 3 \dfrac{1}{2} [/tex]
[tex]\text {Area =} \dfrac{9}{4} \times \dfrac{7}{2} [/tex]
[tex]\text {Area =} \dfrac{63}{8} [/tex]
[tex]\text {Area =} 7\dfrac{7}{8} \text { units}^2[/tex]
