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a = 5x
t = 2x
a. L = a × t
250 = 5x × 2x
250 = 10x²
x² = 250/10
x² = 25
x = √25
x = 5 cm
Nilai x = 5 cm
b. x = 5
a = 5x
= 5(5)
= 25 cm
Panjang alas = 25 cm
t = 2x
= 2(5)
= 10 cm
Tinggi = 10