a. luas = 1/2 x d1 x d2
120 = 1/2 x 24 x d2
120 = 12 x d2
120 : 12 = d2
10 = d2
b. keliling = 4 x sisi
= 4 x 24
= 96cm
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a. luas = 1/2 x d1 x d2
120 = 1/2 x 24 x d2
120 = 12 x d2
120 : 12 = d2
10 = d2
b. keliling = 4 x sisi
= 4 x 24
= 96cm
Maaf kalo salah