登入
Mathematics for IGCSE & O level - Angles (Section 4 - No. 9)
If an angle measures 45 degrees, what is the measure of its complement?
45°
90°
135°
180°
解释
Complementary angles sum to 90°. 90 - 45 = 45°.
评论 (0)
登录发表评论
广告
允许 javascript 正确加载此页面