1. 已知△ ABC為銳角三角形，若為分別為三邊上的高，試證： △ ABC的垂心H必為△ DEF的內心。

3. It has been used by different persons at different times with different meanings. It is generally agreed that Franz Liszt and Richard Wagner were among the most prominent representatives of the “ ”. There is also a consensus that Johannes Brahms did not take part. Beyond this, interpretations differ. The present article sets out the main elements associated with this term. Representatives of the conflicted with more conservative musicians in the so-called War of the Romantics.依照上文所述內應填入什麼名詞。（3 分）（以中文、原文作答皆可）

1. 已知△ ABC為銳角三角形，若為分別為三邊上的高，試證： △ ABC的垂心H必為△ DEF的內心。

相關申論題

相關試卷

1. 已知△ ABC為銳角三角形，若為分別為三邊 上的高，試證： △ ABC的垂心H必為△ DEF的內心。

相關申論題

相關試卷

1. 已知△ ABC為銳角三角形，若為分別為三邊上的高，試證： △ ABC的垂心H必為△ DEF的內心。