acute angle
US /əˈkjuːt ˈæŋ.ɡəl/
UK /əˈkjuːt ˈæŋ.ɡəl/
名詞
銳角
an angle that measures less than 90 degrees
範例:
•
A triangle with three acute angles is called an acute triangle.
具有三個銳角的三角形被稱為銳角三角形。
•
The teacher asked the students to draw an acute angle of 45 degrees.
老師要求學生畫一個45度的銳角。