[tex]5^{2} + {12}^{2} = {x}^{2} \\ 25 + 144 = {x}^{2} \\ {x}^{2} = 169 \\ x = 13 (cm) \\ \\ obw=4×13=52(cm) \\ h=52cm \\ \\ d1 = 10 \\ d2 = 24 \\ pp = \frac{1}{2} \times 10 \times 24 = 120( {cm}^{2} ) \\ \\ pb = 4 \times x \times h \\ pb = 4 \times 13 \times 52 = 2704( {cm}^{2}) \\ \\ pc = 2 \times 120 + 2704 = 2944( {cm}^{2} )[/tex]
