Pls jawab besok di kumpul​

Jawaban:

a.

lp : 2 x (1/2 x 8 x 3) + (8 + 3 + 10) x 7

2 x 12 + 21 x 7 = 171

vol : 1/2 x 8 x 3 x 7 = 84

b.

lp : 2 x (1/2 x 8 x 3) + (8 + 3 + 10) x 9

2 x 12 + 21 x 9 = 213

vol : 1/2 x 8 x 3 x 9 = 108

c.

lp : 2 x (1/2 x 6 x 4) + (5 + 5 + 6) x 6

2 x 12 + 16 x 6 = 120

vol : 1/2 x 6 x 4 x 6 = 72

terimakasih, semoga membantu

jadikan jawaban tercerdas ya