Page 50 - BANGUN RUANG SISI LENGKUNG KELAS 9 MTSN 11 JOMBANG

T
Jawab :

V Benda = V. Krct Lengkap – V. Krct yg dipotong 14

.
2
2
= 1 . 22 . 12 . 28 – 1 22 . 6 x 14 D 6 P C
3
3
7
7
= 4224 – 528 14
= 3696 12
A B

Jadi Volum Benda itu = 3696 cm 3 O

Benda

Buram :

Pada ∆AOT dan ∆DPT : TP + 14 = 2TP

DP : AO = TP : TO 2TP = TP + 14

6 : 12 = TP : (TP + PO) 2TP – TP = 14
TP = 14
1 : 2 = TP : (TP + 14)

1 x (TP + 14) = 2 x TP TO = 14 + 14 TO = 28