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Ask QuestionPosted by Haarish Khan 5 years, 11 months ago
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Posted by kuma****@***** 5 years, 11 months ago
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Posted by Shubham Kaushik 5 years, 11 months ago
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Posted by Ankit Kumar 5 years, 11 months ago
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Yogita Ingle 5 years, 11 months ago
Consider the irrational number x = {tex}\sqrt[4]3{/tex}
Then x2 = √3, which is again an irrational number.
∴ The given statement is false.
Posted by Arshpreet Singh 5 years, 11 months ago
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Posted by Mofid Umar 5 years, 11 months ago
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Posted by Anish Singh 5 years, 11 months ago
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Ayush Gamer17 5 years, 11 months ago
Vedant Shrivastava 5 years, 11 months ago
Posted by Aram Hasan 5 years, 11 months ago
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Yogita Ingle 5 years, 11 months ago
Consider a quadrilateral PQRS.
Join QS.
To prove: ∠P + ∠Q + ∠R + ∠S = 360º
Proof:
Consider triangle PQS, we have,
⇒ ∠P + ∠PQS + ∠PSQ = 180º ... (1) [Using Angle sum property of Triangle]
Similarly, in triangle QRS, we have,
⇒ ∠SQR + ∠R + ∠QSR = 180º ... (2) [Using Angle sum property of Triangle]
On adding (1) and (2), we get
∠P + ∠PQS + ∠PSQ + ∠SQR + ∠R + ∠QSR = 180º + 180º
⇒ ∠P + ∠PQS + ∠SQR + ∠R + ∠QSR + ∠PSQ = 360º
⇒ ∠P + ∠Q + ∠R + ∠S = 360º [Hence proved]
Posted by Kiran Maity 5 years, 11 months ago
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Aram Hasan 5 years, 11 months ago
Posted by Mini Bansal 5 years, 11 months ago
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Posted by Ashu Dabra 5 years, 11 months ago
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Yogita Ingle 5 years, 11 months ago
The Total surface area of a cone includes the curved surface as well as area of its base, which is given as-
Base Area = πr2
Curved Surface Area = πrl
Thus total surface area is given by-
πr2 + πrl = πr(r + l)
Posted by Meet Changani 5 years, 11 months ago
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Posted by Rohan Rauniyar 5 years, 11 months ago
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Yogita Ingle 5 years, 11 months ago
| Using Diagonals | A = ½ × d1 × d2 |
| Using Base and Height | A = b × h |
| Using Trigonometry | A = b2 × Sin(a) |
Posted by Harsh Vardhan Sisodiya 5 years, 11 months ago
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Rishabh Gupta 5 years, 11 months ago
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Yogita Ingle 5 years, 11 months ago
Euclid's Geometry or Euclidean Geometry is a mathematical system wherein geometrical results can be proved using deductive reasoning based upon previously proved results and a small set of assumptions called axioms.
This system was initiated by the Greek Mathematician, Euclid and hence its name.
Posted by Neha Ghosh 5 years, 11 months ago
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