side opposite the angle

基本解釋

Using a mirror to look a item , the reflect light from the mirror will reflects from an opposite side as the same angle.
用鏡子看物體時，從物體發(fā)出的入射光線以相同的角度沿相反的方向反射回來。
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For anyone that needs a little refresher course, the sine function gives the ratio of the opposite side of a given angle in a right triangle to the hypotenuse.
一些人需要復(fù)習(xí)一點(diǎn)數(shù)學(xué)課程，正弦的作用是給出在一個直角三角形中的一個已知角所對應(yīng)的一條邊與直角三角形斜邊之間的比率。
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The side of a right triangle opposite the right angle .
紙的兩個紙規(guī)邊要成直角。