Page 245 - Kelas VII Matematika BS Sem 2 Cover 2017
P. 245
Tabel 8.11b Keliling dan luas layang-layang
Diagonal Diagonal
No. Gambar Layang-layang Keliling Luas
1 2
10 cm 6 cm
8 cm
21 cm 2(10 + 1 × 16
1. 15 cm 16 cm 21 cm 17) 2
17 cm = 54 × 21 =
168
16 cm
15 cm 9 cm
12 cm
25 cm 2(15 + 1 × 24
2. 16 cm 24 cm 25 cm 20) 2
20 cm = 70 × 25 =
300
24 cm
25 cm
7 cm 2(25 + 1
24 cm 17 cm × 17
3. 10 cm 17 cm 48 cm 26) 2
= 102 × 48 =
26 cm
408
48 cm
236 Kelas VII SMP/MTs Semester 2
