cuboid
/ˈkjuːbɔɪd/noun
उच्चारण क्यूबॉइड
घनाभ
Core word
- 1
[C] geometry
a solid shape with six rectangular faces, in which each face meets the faces next to it at right angles
घनाभ
- The volume of a cuboid is length × breadth × height.
- A matchbox and a brick are common examples of a cuboid.
- A cuboid has twelve edges and eight corners.
+ 2 more examples
- Find the surface area of a cuboid with sides 4 cm, 5 cm and 6 cm.
- The water tank is built in the shape of a cuboid.
- 1
shaped roughly like a cube
घन जैसा, घनाकार
- a cuboid box
- A brick is a cuboid, not a cube.
- He packed the goods in a cuboid carton.
+ 2 more examples
- The building was a plain cuboid structure with a flat roof.
- Most shoe boxes are cuboid.
§Structures (grammar patterns) 4
a cuboid (noun)
As a noun, cuboid names a solid shape with six rectangular faces; it is countable and needs a or the.
Noun के रूप में 'cuboid' छह आयताकार फलकों वाली ठोस आकृति का नाम है; यह countable है और इसके साथ a या the आता है।
- A brick is a cuboid.
- Find the volume of a cuboid whose sides are 5 cm, 4 cm and 3 cm.
cuboid (adjective)
As an adjective, cuboid describes something shaped roughly like a box, and it comes before the noun.
Adjective के रूप में 'cuboid' किसी लगभग डिब्बे जैसी आकृति वाली वस्तु का वर्णन करता है और noun से पहले आता है।
- The water tank was a large cuboid structure on the roof.
the volume / surface area of a cuboid
Use of after volume, surface area, length, breadth and height when you name the shape.
आकृति का नाम बताते समय volume, surface area, length, breadth और height के बाद 'of' आता है।
- The surface area of a cuboid is 2(lb + bh + hl).
- Calculate the diagonal of a cuboid.
cuboid and cube compared
A cube is a special cuboid in which all the edges are equal in length.
Cube एक विशेष cuboid है, जिसकी सभी भुजाएँ बराबर लंबाई की होती हैं।
- Every cube is a cuboid, but a cuboid is not always a cube.
+Collocations 4
measurement + of a cuboid
volumesurface areadiagonaledgeface
- The teacher asked us to find the diagonal of a cuboid.
adjective + cuboid
rectangularsolidhollowclosedopen
- A closed cuboid has six faces, while an open one has five.
verb + cuboid
drawmeasurefillcutbuild
- Radhika drew a cuboid on the board and marked its edges.
cuboid + noun
tankboxblockshapeframe
- The cuboid tank holds nearly 600 litres of water.
“More examples 5
- A matchbox is roughly a cuboid in shape.
माचिस की डिब्बी लगभग cuboid आकार की होती है।
- A cuboid has twelve edges, eight vertices and six faces.
एक cuboid में बारह किनारे, आठ शीर्ष और छह फलक होते हैं।
- The question in the mensuration section was about a cuboid cut into small cubes.
Mensuration खंड का प्रश्न एक cuboid के छोटे cubes में काटे जाने के बारे में था।
- Their new refrigerator is a tall cuboid with a steel finish.
उनका नया फ्रिज स्टील की चमक वाला एक ऊँचा cuboid है।
- How many cubes of side 2 cm fit inside a cuboid measuring 8 cm by 6 cm by 4 cm?
8 cm, 6 cm और 4 cm माप वाले cuboid में 2 cm भुजा वाले कितने cubes समाएँगे?
!Common mistakes 2
✗ A cuboid have six faces.
✓ A cuboid has six faces.
The singular subject cuboid needs the singular verb has.
Singular subject 'cuboid' के साथ singular verb 'has' आती है।
✗ Find the volume from a cuboid.
✓ Find the volume of a cuboid.
Volume is followed by of, not from.
'Volume' के बाद 'of' आता है, 'from' नहीं।
≠Thesaurus: which synonym when
Cube, cuboid and square are shapes students often mix up in mensuration questions.
Mensuration के प्रश्नों में cube, cuboid और square आकृतियाँ अक्सर आपस में उलझ जाती हैं।
A solid with six rectangular faces whose length, breadth and height may all differ.
छह आयताकार फलकों वाली ठोस आकृति, जिसकी लंबाई, चौड़ाई और ऊँचाई अलग-अलग हो सकती हैं।
- A brick is a cuboid.
A solid with six equal square faces, so every edge has the same length.
छह बराबर वर्गाकार फलकों वाली ठोस आकृति, जिसकी हर भुजा समान लंबाई की होती है।
- A dice is a cube.
A flat two-dimensional shape with four equal sides, not a solid.
चार बराबर भुजाओं वाली समतल द्विआयामी आकृति, ठोस नहीं।
- Draw a square of side 4 cm.
◇Word family
?Which word?
Do not confuse a cube (all six faces are equal squares) and a cuboid (the faces are rectangles, which need not be equal).
Cube (जिसके छहों फलक बराबर वर्ग होते हैं) और cuboid (जिसके फलक आयत होते हैं, जो बराबर होना ज़रूरी नहीं) में भ्रम न करें।