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Hajja, Mowaffaq
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1

107.11 The Steiner-Lehmus Theorem à la Ceva:

Hajja, Mowaffaq
The Mathematical Gazette.  107 (2023)  568 - p. 149-153 , 2023
Link: https://doi.org/10.1017/..
 
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2

Yet more characterisations of parallelograms:

Hajja, Mowaffaq ; Krasopoulos, Panagiotis T.
The Mathematical Gazette.  107 (2023)  569 - p. 225-233 , 2023
Link: https://doi.org/10.1017/..
 
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3

107.12 The Steiner-Lehmus theorem à la Euclid:

Hajja, Mowaffaq
The Mathematical Gazette.  107 (2023)  568 - p. 153-155 , 2023
Link: https://doi.org/10.1017/..
 
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4

More characterisations of parallelograms:

Hajja, Mowaffaq ; Krasopoulos, Panagiotis T.
The Mathematical Gazette.  107 (2023)  568 - p. 76-83 , 2023
Link: https://doi.org/10.1017/..
 
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5

The arbitrariness of the semi-angle-bisectors of a triangle:

Hajja, Mowaffaq
The Mathematical Gazette.  106 (2022)  565 - p. 78-83 , 2022
Link: https://doi.org/10.1017/..
 
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6

Long medians and long angle bisectors:

Abu-Saymeh, Sadi ; Al-Momani, Yaqeen ; Hajja, Mowaffaq.
The Mathematical Gazette.  105 (2021)  564 - p. 397-409 , 2021
Link: https://doi.org/10.1017/..
 
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7

The median triangle theorem as an entrance to certain issue..:

Hajja, Mowaffaq ; Krasopoulos, Panagiotis T. ; Martini, Horst
Mathematische Semesterberichte.  69 (2021)  1 - p. 19-40 , 2021
Link: https://doi.org/10.1007/..
 
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8

Equality of areas among the ears of the Routh triangle:

Hajja, Mowaffaq
The Mathematical Gazette.  105 (2021)  563 - p. 245-252 , 2021
Link: https://doi.org/10.1017/..
 
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9

104.17 More proofs of the AM-GM inequality:

Hajja, Mowaffaq
The Mathematical Gazette.  104 (2020)  560 - p. 318-326 , 2020
Link: https://doi.org/10.1017/..
 
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10

Triangles whose sides form an arithmetic progression:

Abu-Saymeh, Sadi ; Hajja, Mowaffaq
The Mathematical Gazette.  104 (2020)  561 - p. 469-481 , 2020
Link: https://doi.org/10.1017/..
 
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11

104.41 A property of the Lagrange interpolation polynomial:

Hajja, Mowaffaq
The Mathematical Gazette.  104 (2020)  561 - p. 548-551 , 2020
Link: https://doi.org/10.1017/..
 
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12

Newton Quadrilaterals, the Associated Cubic Equations, and ..:

Hajja, Mowaffaq ; Sondow, Jonathan
The American Mathematical Monthly.  126 (2019)  2 - p. 135-150 , 2019
Link: https://doi.org/10.1080/..
 
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13

103.22 On a problem of Sastry and a theorem of Serenus:

Hajja, Mowaffaq
The Mathematical Gazette.  103 (2019)  557 - p. 328-332 , 2019
Link: https://doi.org/10.1017/..
 
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14

Recovering a Circumscriptible Tetrahedron from Its Face Are..:

Hajja, Mowaffaq ; Krasopoulos, Panagiotis T.
Mediterranean Journal of Mathematics.  16 (2019)  6 - p. , 2019
Link: https://doi.org/10.1007/..
 
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15

New proofs of certain characterisations of cyclic circumscr..:

Abu-Saymeh, Sadi ; Hajja, Mowaffaq
The Mathematical Gazette.  103 (2019)  558 - p. 401-408 , 2019
Link: https://doi.org/10.1017/..
 
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