A.A.
\(\begin{array}{l}AB = 3\,\,\left( {cm} \right)\,\,;\,\,AC = 3\sqrt 3 \,\,\left( {cm} \right)\\S = \frac{{9\pi - 9\sqrt 3 }}{2}\,\,\left( {c{m^2}} \right)\end{array}\)
B.B.
\(\begin{array}{l}AB = 2\,\,\left( {cm} \right)\,\,;\,\,AC = 2\sqrt 2 \,\,\left( {cm} \right)\\S = 2\pi - 2\sqrt 2 \,\,\left( {c{m^2}} \right)\end{array}\)
C.C.
\(\begin{array}{l}AB = 3\,\,\left( {cm} \right)\,\,;\,\,AC = 3\sqrt 2 \,\,\left( {cm} \right)\\S = \frac{{9\pi - 9\sqrt 2 }}{2}\,\,\left( {c{m^2}} \right)\end{array}\)
D.D.
\(\begin{array}{l}AB = 2\,\,\left( {cm} \right)\,\,;\,\,AC = 2\sqrt 3 \,\,\left( {cm} \right)\\S = 2\pi - 2\sqrt 3 \,\,\left( {c{m^2}} \right)\end{array}\)
