Learning aid

Abstract

2021107715 25 Aug 2021 1 / 2 30 T r iangles l F r marNo 012 022 02 3 03 3 Sector ¸=1 radian L= 15 m m 4 l a a bo Par yr ot c eri d t e er t s d na g ni pp a m 0 00 02: 1 el ac S 2: 1 el ac Syr ot c eri d t e er t s d na g ni pp a m 0 00 02: 1 el ac S 2: 1 el ac S 2 m m r st e c l u 1 Rad ians 062Ú072 fu 042 052 Ans.andiRa48r=15mm 3 26x 87 4 e ,gl 032 082 092003 s .eegr Den .turll 49 013 38 Rectangle Concave qu adrila tera l 36 35 90Ú100110 120 60 7080 a. di mmool s t as omp 20 x 28.8mm P ar al le l l in es17 0 10 I s om e t r ic l i n e s 09141 0 02 18 0Ú Cu r eq ue nc y 05 3 0 4 3 45 0Ú ve 14 0 15 0ra c ro t40 Kite 16 0 P 42 130, c to r 30 40 4 4 Trapezium20 50 46 Trapezium Isosce le s 33 32 (3 , 4, 5) mm20x 10 39 4 3 Isosceles 40 37 Rhombus 45° 4 O cta go n 2 A rc b u ild er Ø (m m ) po lygons , Regu la r 80 70 100 110 R e g u la r p o ly g o n e xp a n si o n to ol 5 0m m s id es 19 R ho m bu s 6 0Ú 21 R ho m bu s 3 0Ú 20 Rhombus 90Ú 28 Golden rectangle 18.54 x 30mm 25 Square 25mm Ta ng ra m C en tr e 2016 0 120 34 Scalene a.di m to o s as Tangram T a ng ra m m p C o 29 Paralle logram 0m l 5 Ta ngra m Spec ia l 31 18 0º 0º 17 010 0º 180º 10 170 150 140 130 27 2650130 14040 15 0 20 30 140 30 150 160 40 100 11050 120 60 80 70 13060 90º 120 100 30 x 110m m 54 8. 1 90 13 Octagon Square P T S H 35 .3 6m m 40 m m O 10 D Triangle m p Comm 20e 45 40 x 0 23222 Pentagon1 0 m m sides 7 6 5 Circles 90º 8 4 mm 0mm x 4 10 po lygons , Regu la r 15 C l 16 10 2 9 3 1ackfoc 12 11 2s)int pos iviD i 0 80 75 m 6m10 24 70e agntceer(Ps on 60 50 18 Pentagon Equilateral Hexagon14 se17 m m 15ros as s ides 2 0 m m 11 12 m m 40 30 30 x 8 1 Tangram Tool 7 Decago nmm76Semm015 3 Dodecagon 40mm35.36mm hs n t ve 8 Hexagon hs f t Fi ds rhiTmm59 30 l F r ma rNo 012 022 02 30 33 Sector ¸=1 radian L= 15 m m 062Ú072 fu 042 052 Ans.andiRa48r=15mm 26x 8 e,gl 032 082 092003 s.eegr Den.turll 49 013 90Ú100 110 120 60 7080 a. di mmool s tas omp 17 0 10 09141 002 18 0Ú Cu r eq ue nc y 05 3 04 3 45 0Ú ve 14 0 15 0rac ro t40 Kite 16 0 P 42 130, ctor 30 40 44 Trapezium20 50 32 (3, 4, 5) mm20x 10 39 43 Isosceles 40 37 Rhombus 45° 80 70 100 110 2016 0 a.di m toos as Tangram Ta ng ram m p C o 29 Parallelogram 0ml 5 Tan gra m31 18 0º 0º 1 7 010 0º 180º 1 0 170 50130 14040 15 0 20 30 14 0 30 150 160 40 100 11050 120 60 80 70 13060 90º 120 7 6 5 Circles 90º Figure 2 P L 1 13 3 7 5 9 11 Figure 3 Figure 1 PRIOR ART 20 21 22 17 39 2 5 A ug 2 02 1 20 21 10 77 15 2 5 A ug 2 02 1 1 / 2 1 2021107715 25 2021 Aug L P 9 Circles 80 90° 13 10 170 170 3 0° 180° Tangram 31 (1,1,V2) OProblem 7solving: 1-analyse, 37 Rhombus 45° 2-think, 3-do, 4-check 5 9 L=15mm 5mm 11 2m3 49 1 / 2 L 9 80 90° 13 3 Tangram O 7 37 Rhombus 45° 5 9 11 2m3 49

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