decagon
/ˈdekəɡən/noun
उच्चारण डेकगन
दशभुज
Core word
- 1
[C] geometry
a flat shape with ten straight sides and ten angles
दशभुज
- The sum of the interior angles of a decagon is 1440°.
- Each exterior angle of a regular decagon is 36°.
- Draw a regular decagon inside a circle of radius five centimetres.
+ 2 more examples
- A decagon has ten vertices and ten sides.
- The tile pattern included a decagon surrounded by small triangles.
§Structures (grammar patterns) 5
a decagon (countable noun)
A decagon is a geometrical shape; it takes a or the and has the plural decagons.
'Decagon' ज्यामितीय आकृति है; इसके साथ a या the आता है और बहुवचन decagons है।
- A decagon has ten sides.
- She drew two decagons in her notebook.
regular decagon / irregular decagon
A regular decagon has ten equal sides and ten equal angles; an irregular one does not.
सम दशभुज की दसों भुजाएँ और दसों कोण बराबर होते हैं; असम दशभुज में ऐसा नहीं होता।
- The interior angle of a regular decagon is 144 degrees.
- An irregular decagon has sides of different lengths.
decagon with + number
Use with to give the numbers describing the figure, such as sides, angles and diagonals.
आकृति का वर्णन करने वाली संख्याएँ, जैसे भुजाएँ, कोण और विकर्ण, बताने के लिए 'with' आता है।
- A decagon with equal sides is called regular.
- A decagon has thirty-five diagonals.
decagonal (adjective)
The adjective decagonal means ten-sided or shaped like a decagon.
विशेषण 'decagonal' का अर्थ दस भुजाओं वाला या दशभुज के आकार का है।
- The monument has a decagonal base.
- He admired the decagonal tower.
decagon among polygon names
Polygon names come from Greek numbers: penta, hexa, hepta, octa, nona and deca; knowing the prefix helps in geometry questions.
बहुभुजों के नाम यूनानी संख्याओं से बने हैं: penta, hexa, hepta, octa, nona और deca; उपसर्ग जानने से ज्यामिति के प्रश्नों में सहायता मिलती है।
- Deca means ten, so a decagon has ten sides.
- A pentagon has five sides, and a decagon has ten.
+Collocations 5
adjective + decagon
regularirregularconvexconcaveequilateral
- A regular decagon can be inscribed in a circle.
verb + decagon
drawconstructdivideinscribemeasure
- Radhika constructed a decagon with a compass and ruler.
decagon + property
ten sidesten verticesinterior anglesthirty-five diagonalsarea
- Each decagon has ten sides and ten vertices.
polygon family
pentagonhexagonoctagonnonagondodecagon
- A decagon has two more sides than an octagon.
decagon + geometry words
perimetercircumscribed circlecentral anglevertexapothem
- The central angle of a regular decagon is thirty-six degrees.
“More examples 6
- The sum of the interior angles of a decagon is 1440 degrees.
दशभुज के आंतरिक कोणों का योग 1440 अंश होता है।
- The teacher asked the class to draw a decagon on the board.
शिक्षक ने कक्षा से बोर्ड पर दशभुज बनाने को कहा।
- A decagon has ten sides, while an octagon has eight.
दशभुज की दस भुजाएँ होती हैं, जबकि अष्टभुज की आठ।
- Radhika learned the names of polygons up to the decagon in Class 8.
राधिका ने आठवीं कक्षा में दशभुज तक के बहुभुजों के नाम सीखे।
- Some coins and tiles are shaped like a decagon.
कुछ सिक्के और टाइलें दशभुज के आकार की होती हैं।
- The exam question asked for the number of diagonals of a decagon.
परीक्षा के प्रश्न में दशभुज के विकर्णों की संख्या पूछी गई थी।
!Common mistakes 1
✗ A decagon is having ten sides.
✓ A decagon has ten sides.
Have in the sense of possession or description is not used in the continuous form.
अधिकार या विवरण के अर्थ में 'have' का continuous रूप नहीं बनता।