Tolong kak pliss....yg nomor 2.a,b,c sama d Besok dikumpulin...
Matematika
verrizca
Pertanyaan
Tolong kak pliss....yg nomor 2.a,b,c sama d Besok dikumpulin...
1 Jawaban
-
1. Jawaban widiastin2
a = ¼ x 3,14 x 8 x 8
= ¼ x 200,96
= 50,24 cm²
b = L1 = ½ x 22/7 x 7 x 7
= ½ x 154
= 77 cm²
L2 = ½ x 3,14 x 5 x 5
= ½ x 78,5
= 39,25 cm²
L = 77 + 39,25
= 116,25 cm²
c = L1 = s x s
= 11 x 11
= 121 cm²
L2 = ½ x 3,14 x 5 x5
= ½ x 78,5
= 39,25 cm²
L = L1 - L2
= 121 - 39,22
= 81,75 cm²
d = *maaf aku ga tau