Problem Matematika Hari Ini

About labarasi

Guru Matematika

Posted on Juli 6, 2011, in 06/07/2011, Matematika, Problem Hari Ini and tagged , . Bookmark the permalink. 1 Komentar.

  1. 1. 1/2 X 5 X 9 X 4/5 = (C) 18 cm
    2. 2^2 + (/2)^2 = x^2
    4 + 2 = x^2
    6 = x^2
    x = \6(akar 6)ūüė¶
    3. 4 X 4 = 8 X x
    16 = 8x
    x = 2
    Diameter = 8 + 2 = 10
    Jari -jari = 10/2 = (B) 5 cm

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