Page 12 - PRAKTIS HEBAT MATHS TG 2
P. 12

Matematik  Tingkatan 2  Jawapan

           2.  Panjang lengkok PQ  / Length of arc PQ      3.  (a)  1, 0
                60°         22                               (b)  1, 1
             =        ×  2  ×    ×  42
                360°        7                              4.  (a)  silinder / cylinder
             =  44  cm                                       (b)  kuboid / cuboid
                                                             (c)  piramid / pyramid
           3.  (a)  Benar / True                             (d)  kon / cone
             (b)  Benar / True
             (c)  Palsu / False                                   C
             (d)  Palsu / False
                                                                     2
           4.  (a)  DOG, EOB                               1.  (a)  144 cm
                                                             (b)  14 cm
             (b)  (i)  3                                     (c)  10 cm
                (ii)  3
                                                           2.  (a)
           5.                Perimeter
              Jejari bulatan  bulatan   Luas bulatan
                Radius of   Perimeter of   Area of
                 circle                    circle
                              circle
                 4.5 cm       28.3 cm     63.6 cm 2
                37.8 cm      237.6 cm    4 490.6 cm 2
                                                             (b)  550 cm 2
                                                             (c)  4 cm
                   C
                                                           3.  (a)  (i)  Isi padu silinder / Volume of cylinder = π x y
                                                                                                2
           1.  (a)  77 cm                                          Isi padu kon / Volume of cone =   1  π x y
                                                                                              2
             (b)  56.76 cm 2                                                               3
             (c)  (i)  33 cm    (ii)  47 cm                     (ii)  Apabila sebuah silinder dan  sebuah kon
           2.  (a)  1.32 cm                                        mempunyai tapak dan tinggi yang sama, maka
             (b)  9 cm                                             isi padu  silinder  adalah  tiga kali isi padu  kon
                                                                   itu.
             (c)  30  4   cm 2                                     When a cylinder  and a cone have the same
                  7
           3.  (a)  (i)  75.46 cm   2  (ii)  56 cm                 bases and heights, then the volume of the
                                                                   cylinder is three times of the volume of the
             (b)  35.5 cm
                                                                   cone.
           4.  (a)  24 cm
             (b)  71.17 cm 2                                 (b)
             (c)  (i)  17.81 cm   (ii)  63.81 cm
                  KBAT
         (a)  87 cm
         (b)  173.25 cm 2


           Prakt is PT 3  Bentuk Geometri Tiga Dimensi
             6
                   Three-Dimensional Geoemtrical Shapes

                   A

           1.  A    2.  D    3.  B     4.  A    5.  A
           6.  B    7.  C    8.  B     9.  B    10.  C
                                                             (c)  30 492 cm 3
                   B
                                                           4.  (a)  (i)  4.445 m
                                                                        2
           1.  (a)  kon / cone, hemisfera / hemisphere          (ii)  88.9 ml
             (b)  kubus / cube, piramid / pyramid            (b)  120 kotak / 120 boxes
           2.  (a)  3
             (b)  3                                               KBAT
             (c)  3
             (d)  3                                         1    3
                                                         408  π cm
                                                            3
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    15 JAW HEBAT Mate Tg2.indd   4                                                               27/04/2020   10:50 AM
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