point of tangency
Tone colorsmāmámǎmàma
Meanings
1 sense · 3 examplesnoun
point of tangency
formalA fundamental concept in geometry where two curves or surfaces meet at a single point without intersecting.
Zài在
yuán圆
de的
jǐ几
hé何
zhōng中
，
yuán圆
xīn心
dào到
qiē切
diǎn点
de的
bàn半
jìng径
yǔ与
qiē切
xiàn线
chuí垂
zhí直
。
In circle geometry, the radius drawn to the point of tangency is perpendicular to the tangent line.
Qiú求
zhè这
liǎng两
tiáo条
qū曲
xiàn线
de的
qiē切
diǎn点
zuò坐
biāo标
。
Find the coordinates of the point of tangency for these two curves.
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Zhè这
tiáo条
zhí直
xiàn线
shì是
yuán圆
de的
qiē切
xiàn线
，
tā它
men们
de的
qiē切
diǎn点
wèi位
yú于
yuán圆
de的
biān边
yuán缘
。
This line is tangent to the circle, and their point of tangency lies on the circle's circumference.