complementary angle
Tone colorsmāmámǎmàma
Meanings
1 sense · 3 examplesnoun
complementary angle; either of two angles whose sum is 90 degrees
In geometry, when two angles sum to 90 degrees, each is called the complement of the other. This concept is fundamental in trigonometry and geometric proofs.
Rú如
guǒ果
liǎng两
gè个
jiǎo角
hù互
wéi为
yú余
jiǎo角
，
nà那
me么
tā它
men们
dōu都
shì是
ruì锐
jiǎo角
。
If two angles are complementary, then both are acute angles.
Zài在
zhí直
jiǎo角
sān三
jiǎo角
xíng形
zhōng中
，
liǎng两
gè个
ruì锐
jiǎo角
hù互
wéi为
yú余
jiǎo角
。
In a right triangle, the two acute angles are complementary.
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Yǐ已
zhī知
yī一
gè个
jiǎo角
shì是
sān3
shí5
wǔ度
，
dù求
qiú它
tā的
de余
yú角
。
Given an angle of 35 degrees, find its complement.