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(1/2 * a1 * t1)/(1/2 * a2 * t2)=3/4
karena t1=t2, maka
(1/2 * a1)/(1/2 * a2)=3/4
a1 / a2 =3/4
6) Ltotal = 52,5 m²
a. 52,5 x 0,5 = 26,25
b. 26,25 x 25.000 = 656.250