Jawabanmu

2014-05-20T22:38:26+07:00
250= 5x.2x
250=10x kuadrat
25=x kuadrat

a. akar 25= 5
jadi x = 5
b . panjang= 5.5=25cm
tinggi =2.5=10 cm
6 4 6
2014-05-21T01:30:31+07:00
Coba bantu jawab ya
a. Luas jajar genjang = alas x tinggi
250cm^2 = 5x * 2x
250 = 10x^2
x^2 = 250/10
x^2 = 25
x = √25
x = 5
Jadi nilai x = 5

b. Panjang alas = 5x = 5 x 5 = 25 cm
tinggi = 2x = 2 x 5 = 10  cm




3 4 3