0000:00:00:00:00Start5Number 5ExplanationA rectangular prism (cuboid) ABCD.EFGHABCD.EFGHABCD.EFGH has a length that is twice its width. Its height is equal to its width. The length of DFDFDF is 999 cm. The area of plane ADFGADFGADFG is...2752 cm2\frac{27\sqrt{5}}{2}\text{ cm}^22275 cm22762 cm2\frac{27\sqrt{6}}{2}\text{ cm}^22276 cm22732 cm2\frac{27\sqrt{3}}{2}\text{ cm}^22273 cm22722 cm2\frac{27\sqrt{2}}{2}\text{ cm}^22272 cm227 cm227\text{ cm}^227 cm2
5Number 5ExplanationA rectangular prism (cuboid) ABCD.EFGHABCD.EFGHABCD.EFGH has a length that is twice its width. Its height is equal to its width. The length of DFDFDF is 999 cm. The area of plane ADFGADFGADFG is...2752 cm2\frac{27\sqrt{5}}{2}\text{ cm}^22275 cm22762 cm2\frac{27\sqrt{6}}{2}\text{ cm}^22276 cm22732 cm2\frac{27\sqrt{3}}{2}\text{ cm}^22273 cm22722 cm2\frac{27\sqrt{2}}{2}\text{ cm}^22272 cm227 cm227\text{ cm}^227 cm2
