| 1. | The 3 altitudes of a triangle are concurrent .
三角形的三个高共点。 |
| 2. | He tried to prove that the triangle was isosceles .
他想证明那个三角形是等腰的。 |
| 3. | He outlined the triangle in red .
他用红笔画出三角形。 |
| 4. | These two triangles coincide .
这两个三角形相互重合。 |
| 5. | The two triangles coincide .
这两个三角形相重合。 |
| 6. | We generate a conforming triangle as follows .
现在我们通过下述方式构造一个相容的三角形。 |
| 7. | The trigonometric functions are defined for right triangles .
三角函数是对直角三角形定义的。 |
| 8. | A right triangle is formed by lines joining points spq .
SPQ三点联结后即构成一个直角三角形。 |
| 9. | Cloth diaper may be folded in a triangle or a rectangle .
用布做的尿布可以叠成三角形或长方形。 |
| 10. | We have shown that the two triangles oab and iab are congruent .
我们已经证明三角形OAB和IAB全等。 |
