frustum of a pyramid
Tone colorsmāmámǎmàma
Meanings
1 sense · 3 examplesnoun
frustum of a pyramid
formalA geometric solid in 3D shape. The bases are parallel, similar polygons (often rectangles or squares for a rectangular frustum), and the lateral faces are trapezoids. In Chinese, it's contrasted with '棱锥' (pyramid) and '棱柱' (prism).
Zhè这
ge个
jiàn建
zhù筑
mó模
xíng型
shì是
yī一
gè个
sì四
léng棱
tái台
。
This architectural model is a frustum of a quadrangular pyramid.
Jì计
suàn算
léng棱
tái台
de的
tǐ体
jī积
xū需
yào要
zhī知
dào道
shàng上
xià下
dǐ底
miàn面
de的
miàn面
jī积
hé和
gāo高
。
Calculating the volume of a frustum requires knowing the areas of the top and bottom bases and the height.
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Měi美
shù术
kè课
shàng上
，
wǒ我
men们
zài在
xué学
xí习
huì绘
zhì制
léng棱
tái台
de的
jié结
gòu构
。
In art class, we are learning to draw the structure of a frustum.