Monge's theorem

例句：

1. 1.The theorem states that the area of a triangle is half the product of its base and height.
   这个定理表明，三角形的面积是其底边与高乘积的一半。
2. 2. In mathematics, this theorem is used to find the volume of a rectangular prism.
   在数学中，这个定理被用来求矩形棱柱的体积。
3. 3.The theorem has been proven to be accurate in many cases, but it requires careful application to avoid errors.
   这个定理在许多情况下已被证明是正确的，但需要仔细应用以避免错误。