Jawabanmu

2014-09-09T19:41:04+07:00
A. 2x+8
b. 64-16= 48cm^2
tuh jawabannya

Jawaban paling cerdas!
2014-09-09T19:43:43+07:00
L = 1/2 x A x T
(x2-16)= 1/2. x-4. t
t = x+4

x=8,
alas= x-4
       = 8-4
       = 4
tinggi = x+4
           = 8+4
           = 12
luas= 1/2(x-4)(x+4)
       = 1/2 (x2-16)
       = 1/2 (64-16)
       = 1/2 (48)
       =24
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