# Items where Division is "Azim Premji University > University Publications > At Right Angles" and Year is 2023

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**47**.

## March 2023

Bubna, Mahesh
(2023)
*A procedure to (approximately) trisect an arbitrary angle.*
At Right Angles.
pp. 51-52.
ISSN 2582-1873

De, Prithwijit
(2023)
*To factor or not to factor.*
At Right Angles.
pp. 30-31.
ISSN 2582-1873

Gupta, Charu
(2023)
*A (S)Trip with a twist.*
At Right Angles.
pp. 7-11.
ISSN 2582-1873

Jagathapu, Kasi Rao
(2023)
*Another theorem for congruence of triangles.*
At Right Angles.
35 -39.
ISSN 2582-1873

K., Sasikumar
(2023)
*Achu’s primes - a special class of weak primes.*
At Right Angles.
pp. 40-42.
ISSN 2582-1873

Kancharla, Adish
(2023)
*A problem from the 2019 zonal informatics olympiad.*
At Right Angles.
pp. 63-65.
ISSN 2582-1873

Komenaka, Ian and Metz, James
(2023)
*A conversation with Ian classroom about squares and cubes.*
At Right Angles.
pp. 12-14.
ISSN 2582-1873

Kurien, Anand Mathew
(2023)
*Ramanujan: From Zero to Infinity.*
At Right Angles.
pp. 88-91.
ISSN 2582-1873

Lakshman, Vishnu
(2023)
*Beware of the Devil in your Dreams!*
At Right Angles.
pp. 86-87.
ISSN 2582-1873

Makhija, Aman
(2023)
*Deriving an equation for the Sun’s path.*
At Right Angles.
pp. 69-73.
ISSN 2582-1873

Mukhopadhyay, Utpal
(2023)
*Derivation of formulae for solving some common arithmetic problems.*
At Right Angles.
pp. 20-23.
ISSN 2582-1873

Prakash, Anand
(2023)
*Products of sums of all co-primes from 1 till any given number.*
At Right Angles.
pp. 92-95.
ISSN 2582-1873

Ramachandran, A.
(2023)
*On the circumcentres of isosceles trapezia.*
At Right Angles.
pp. 32-34.
ISSN 2582-1873

Rao, Muralidhar and M, Parinitha
(2023)
*A number theory problem from Hungarian math olympiad.*
At Right Angles.
pp. 66-68.
ISSN 2582-1873

Sastry, K. M.
(2023)
*A divisibility chain problem.*
At Right Angles.
pp. 96-97.
ISSN 2582-1873

Sensowa, Progyan
(2023)
*An algorithmic approach to multiplication using “ekadhikena purvena sutra”.*
At Right Angles.
pp. 15-19.
ISSN 2582-1873

Sharma, Toyesh Prakash
(2023)
*Divergence and convergence of two closely related infinite series.*
At Right Angles.
pp. 98-100.
ISSN 2582-1873

Sharma, Toyesh Prakash
(2023)
*Four problems on surds.*
At Right Angles.
pp. 59-62.
ISSN 2582-1873

Shirali, Padmapriya
(2023)
*Speed, test, distance and graphs.*
At Right Angles.
pp. 2-11.
ISSN 2582-1873

Shirali, Shailesh
(2023)
*Geometric proofs of two trigonometric identities.*
At Right Angles.
pp. 46-50.
ISSN 2582-1873

Shirali, Shailesh
(2023)
*Interesting infinite, recurring decimals.*
At Right Angles.
pp. 43-45.
ISSN 2582-1873

Shirali, Shailesh
(2023)
*On trisecting an angle.*
At Right Angles.
pp. 53-58.
ISSN 2582-1873

Space, Math
(2023)
*Assessing mathematical proficiency at the secondary stage – I.*
At Right Angles.
pp. 24-29.
ISSN 2582-1873

Warhadpande, Mahit and Ghosh, Abhroneel
(2023)
*Real world implications of a KVPY problem.*
At Right Angles.
pp. 74-85.
ISSN 2582-1873

## July 2023

Bajaj, Sunil
(2023)
*The Closing Bracket...*
At Right Angles.
pp. 85-86.
ISSN 2582-1873

Gesota, Rupesh
(2023)
*Detours – Unplanned Learning Opportunities.*
At Right Angles.
pp. 19-24.
ISSN 2582-1873

Ghosh, Jonaki
(2023)
*Exploring Geometrical Constructions – The GeoGebra Way.*
At Right Angles.
pp. 68-75.
ISSN 2582-1873

Gupta, Jayaditya
(2023)
*Counting Perimeter Magic Triangles.*
At Right Angles.
pp. 63-67.
ISSN 2582-1873

Kanhere, Aaloka
(2023)
*Manipulative Review: Rangometry.*
At Right Angles.
pp. 78-82.
ISSN 2582-1873

Kanojiya, Rajkumar
(2023)
*Some more Divisibility Rules.*
At Right Angles.
pp. 39-41.
ISSN 2582-1873

Modi, Paraj
(2023)
*Book Review: A Mathematician’s Apology, by G.H. Hardy.*
At Right Angles.
pp. 76-77.
ISSN 2582-1873

Mundhara, Shreya
(2023)
*Guess the Card.*
At Right Angles.
pp. 60-62.
ISSN 2582-1873

Nandivada, Vedanth
(2023)
*Common Errors in Interpretation of Correlation, Causation, and Association in Research.*
At Right Angles.
pp. 13-18.
ISSN 2582-1873

Parcha, Ankush Kumar
(2023)
*Menelaus’s Theorem.*
At Right Angles.
pp. 87-88.
ISSN 2582-1873

Ramachandran, A.
(2023)
*A Question about 3-Digit Numbers.*
At Right Angles.
p. 51.
ISSN 2582-1873

Ramachandran, A.
(2023)
*Solution to a Question about 3-Digit Numbers.*
At Right Angles.
p. 59.
ISSN 2582-1873

Rao, Muralidhar and M, Parinitha
(2023)
*A Problem from the Putnam 2022 Competition.*
At Right Angles.
pp. 83-86.
ISSN 2582-1873

S., Yathiraj
(2023)
*Math-Magic Generalized Fermat Numbers.*
At Right Angles.
pp. 52-55.
ISSN 2582-1873

Saha, Arnabi
(2023)
*Proof Without Words: Alternating Sum of Odd Numbers.*
At Right Angles.
pp. 42-44.
ISSN 2582-1873

Saroj, Ram Kumar
(2023)
*Maths Mela: A Unique Measurement Fair in a School.*
At Right Angles.
pp. 25-30.
ISSN 2582-1873

Sasikumar, K
(2023)
*A Conjecture equivalent to the Goldbach Conjecture, and some Consequences.*
At Right Angles.
pp. 56-58.
ISSN 2582-1873

Shirali, Padmapriya
(2023)
*Logic, Reasoning and Proof.*
At Right Angles.
pp. 2-14.
ISSN 2582-1873

Shirali, Shailesh
(2023)
*Opening Bracket... On proof and reasoning in the teaching of mathematics.*
At Right Angles.
ISSN 2582-1873

Shirali, Shailesh
(2023)
*Two New Proofs of the Pythagorean Theorem - Part I.*
At Right Angles.
pp. 7-12.
ISSN 2582-1873

Stupel, Moshe and Fraivert, David
(2023)
*Three Different Proofs for the Same Task.*
At Right Angles.
pp. 31-34.
ISSN 2582-1873

Verma, Manisha and Diwakar, Sandeep
(2023)
*Developing an Understanding of Probability… Experience from the classroom.*
At Right Angles\.
pp. 45-50.
ISSN 2582-1873

Yadav, M. R. and Kumar, Naresh
(2023)
*Divisibility by any ClassRoom Odd Number that is not a Multiple of 5.*
At Right Angles.
pp. 35-38.
ISSN 2582-1873