Jawabanmu

2014-05-19T09:43:04+07:00
Jadi 2= 10
maka 5= 25
1/2.10.15 = 75 cm2
wah itu 1/2.10.25= 125
sorry kurabg teriti
kurang teliti
2014-05-19T09:43:34+07:00
Jika d1 = 10
Maka d2 = 10/2 = 5
                 5 × 5 = 25 cm

L = 1/2 × d1 × d2
L = 1/2 × 10 × 25
L = 5 × 25 = 125 cm²


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