量角器

yòng liáng jiǎo qì hé yuán guī fēn bié cè liáng gè xiàng shù jù

用量角器和圆规分别测量各项数据。

Various distances and angles were measured with protractor and vernier caliper.

yòng liáng jiǎo qì huà yī gè děng biān sān jiǎo xíng

用量角器画一个等边三角形。

Use your protractor to construct an equilateral triangle.