Question

Tolong dijawab beserta caranya

Answer 1

Verified answer

Kl = (ab x cl + dc x bl) / bc
kl = (18 x 6 + 13 x 4) / 10
kl = (108 + 52) / 10
kl = 160 / 10
kl = 16 cm

jawaban D

Answer 2

KL = (LB x DC + CL x AB) : (CL + LB)
= ( 4 x 13 + 6 x 18) : (6 + 4)
= (52 + 108) : (10)
= 160 : 10
= 16 cm