d1 x d2 x 1/2
semoga membantu :)
k= ab+bc+cd+ad/=s+s+s+s/=4xs.
L=1/2 x d¹ x d² = contoh =L=1/2 x 16 x 14 =224 : 2= 112 ,contoh k= 4 x 42= 168
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d1 x d2 x 1/2
semoga membantu :)
k= ab+bc+cd+ad/=s+s+s+s/=4xs.
L=1/2 x d¹ x d² = contoh =L=1/2 x 16 x 14 =224 : 2= 112 ,contoh k= 4 x 42= 168