Going to an outdoor adventure camp is a fun way to challenge yourself! There, you can also challenge yourself by recognizing different lines and angles. But you can also see them in the structure of a bridge, on a road sign or by reading the time on a clock. These lines and angles are everywhere!
多媒體：
多媒體
互動練習
版面：
固定
插圖：
許多
關鍵字詞： Mathematics | geometry | lines | angles | parallel and perpendicular lines | right angle | acute angle | obtuse angle