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Regular Right Pyramid with triangular or square base for Competitive Exam – Quantitative Aptitude

Regular Right Pyramid with triangular or square base (त्रिकोणीय या वर्गाकार आधार वाला नियमित दायां पिरामिड) In Hindi

Regular Right Pyramid with triangular base (त्रिकोणीय आधार वाला नियमित दायां पिरामिड) त्रिकोणीय पिरामिड इस प्रकार का पिरामिड हैं जिसमें त्रिकोणीय आधार और तीन त्रिकोणीय फलक होते हैं जो आधार के शीर्षों को शीर्ष से जोड़ते हैं।

त्रिकोणीय पिरामिड के प्रकार
विभिन्न आकृतियों और आकारों में विभिन्न प्रकार के त्रिकोणीय पिरामिड हैं।

1.नियमित त्रिकोणीय पिरामिड: एक पिरामिड की आधार में समान लंबाई वाली भुजाएँ शामिल होती हैं। तो पिरामिड को नियमित त्रिकोणीय पिरामिड कहा जाता है।

2.गैर-नियमित पिरामिड: यदि त्रिकोणीय पिरामिड की आधार एक विषमबाहु त्रिभुज है, तो पिरामिड को अनियमित त्रिकोणीय पिरामिड कहा जाता है।

3.समकोण त्रिभुजाकार पिरामिड: एक समकोण-त्रिकोणीय पिरामिड एक तीन-परतीय आकृति है जिसके आधार पर एक समकोण त्रिभुज होता है जो एकान्त डिग्री को बाहर निकालता है।

Regular Right Pyramid with  square base (वर्गाकारआधार वाला नियमित दायां पिरामिड) :-

वर्गाकार आधार और त्रिकोणीय भुजाओं वाली एक त्रि-आयामी संरचना, जो एक शीर्ष पर जुड़ी हुई संख्या में चार होती है, को वर्गाकार पिरामिड के रूप में जाना जाता है। इसके तीन तत्व हैं:

शीर्ष – यह वर्गाकार पिरामिड का शीर्ष बिंदु है।

आधार – बटन पर बने वर्ग को आधार कहा जाता है।

चेहरे – त्रिकोणीय आकार की भुजाएँ चेहरे हैं।

Regular Right Pyramid with triangular or square base In English

Regular Right Pyramid with triangular base :-

A triangular pyramid is a pyramid which has a triangular base. In geometry, vertices are essentially corners. All triangular-based pyramids, either regular or irregular, have four vertices.

Triangular-based pyramids have 6 edges, 3 are along the base and 3 are extending up from the base. If the six edges are of the same length, all the triangles are equilateral, and the pyramid is called a regular tetrahedron.

Types of Triangular Pyramids

The different types of triangular pyramids are :

Regular Triangular Pyramid:- A pyramid has a base with sides that are equal in length. For the triangular pyramid, the base of regular tetrahedron should be an equilateral triangle.
Non-regular Pyramid:- A pyramid has a base with sides that have different lengths. The base of the triangular pyramid has unequal sides. Or we can say, the base could be a scalene triangle or an isosceles triangle.
Right Triangular Pyramid:- A three-Dimensional shape with a right-angle triangle at its base extruding up to a single point is a right-triangular pyramid.

Properties of Triangular Pyramid

1.The triangular pyramid has 4 faces.
2.The 3 side faces of the triangular pyramid are triangles.
3.The base is also triangular in shape.
4.It has 4 vertices (corner points)
5.It has 6 edges.
6.Triangular pyramid can be regular, irregular and right-angled.

Triangular Pyramid Formula

  • Volume of Triangular Pyramid =\( \frac{1}{3} \)× Base Area × Height
  • Surface Area of Triangular Pyramid = (Base area) +\( \frac{1}{2} \)× Perimeter × (Slant length)

Square Pyramid :- A square pyramid is a three-dimensional geometrical figure having a square base. All the four triangular sides of a square pyramid meet at one single point known as the apex.  

Properties of Square Pyramid

It has 5 Faces.
The 4 Side Faces are Triangles.
The Base is a Square.
It has 5 Vertices (corner points)
It has 8 Edges.

Square Pyramid Formula

  • Volume of Square Pyramid (V) =a²\( \frac{h}{3} \)
  • Base Area of square pyramid =side × side
  • Surface Area of a Square Pyramid =a²+2a\( \sqrt{\frac{a²} {4}+h²} \)
  • Lateral Edge Length = \( \sqrt{h² + \frac{l²} {2}} \)
  • Height of square pyramid = \( \sqrt{h² + \frac{l²} {4}} \)

 

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