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俯角、仰角、坡度,与解三角形
解三角形在中考数学中有一道大题。 要解【出】这道题需要有: 相似三角形、全等三角形、锐角三角函数、勾股定理这些知识—— 这些是初中知识,在八年级会一一讲解。 这是小学知识,在小学四年级和五年级会反复的练。 计算不是太差,就没问题。 另外,还需要对仰角 ...
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