Jawabanmu

2014-04-13T14:30:11+07:00
C. 14 cm
karena
98 = a x t
98 = 7 x 14
98 = 98
  • Ima
  • Gemar Membantu
2014-04-13T14:32:59+07:00
L = (jml sisi sejajar) × t
                2
98 = ( x + x) × 2x
             2
98 = 2x × 2x
            2
98 = 2x²
49 = x²
√49 = x
7 = x


Tinggi = 2x = 2(7) = 14
2 5 2