| 1. | A polygon having five sides and five interior angles 五边形有五条边和五个内角的多边形 |
| 2. | Yes , it is . a pentagon has five sides and five corners 是的。五边形有五条边和五个角。 |
| 3. | A 60 bo circle piece of land is inscribed with a perfect pentagon 一块周长60丈的土地内切于一个正五边形 |
| 4. | The use of a pentagonal - shaped stamp matches the theme of a living habitat 选用五边形邮票,正配合住屋这个主题。 |
| 5. | 1 . can you make a big sphere from regular pentagons and regular hexagons 1 .你能否利用正五边形和正六边形制作一个大球体吗? |
| 6. | Is that a pentagon 那是五边形吗? |
| 7. | The pattern on a football is formed by 12 regular pentagons and 20 regular hexagons 足球便是由十二个正五边形和二十个正六边形组成。 |
| 8. | The pattern on a football is formed by 12 regular pentagons and 20 regular hexagons 足球便是由十二个正五边形和二十个正六边形组成。 |
| 9. | Across the potomac river is the pentagon , a strange , low , five - sides building 跨过波托马克河就是五角大楼? ?一座奇特而又低矮的五边形建筑。 |