Two angles that add up to 90 degrees are called__________angles.T_英语解答

Two angles that add up to 90 degrees are called__________angles.
Two angles that add up to 180 degrees are called__________angles.
不要想太深,涉及的是很简单的内容
由于水平有限..不太明白题目意思

人气：232 ℃　时间：2020-02-06 04:19:18

解答

complementary
supplementary
第一个是余角
第二个是补角