Page 269 - Matematika Sm2 SMP Kelas 7 BS press

Sisi Sisi
No. Gambar Panjang Lebar Keliling Luas
(alas) (tinggi)

6 cm 8 cm 6 cm 2(8 + 6) 8 × 6 =
= 28 48

8 cm

10 cm 6 cm 8 + 6 + 1 × 8

6 cm
8 cm
10 = 24 2
× 6 =
8 cm 24

10 cm 2(10 + 4
cm
2 10 cm 10 cm 6 cm 2 ) 10 × 6
4 6 cm = 20 + 8 = 60
2
2 cm 8 cm

cm 10 + 10 1
2 10 cm + 4 2 ) × 10
4 6 cm 10 cm 6 cm = (20 + 4 2
2 cm 8 cm 2 ) × 6 =
30

4 cm 6 cm 4 cm 2(6 + 4) 6 × 4 =
5 cm
= 20 24

6 cm

MATEMATIKA 261