Rumus Keliling = a + b + c
1. diket. ↓
a = 8cm
b = 15 cm
c = 15 cm
Ditanya K
K = 8 + 15 + 15
K = 8 + 30
K = 38 cm
2. diket. ↓
a = 12cm
b = 5 cm
c = 13 cm
K = 12 + 5 + 13
K = 17 + 13
K = 30 cm
3. Diket. ↓
K = 37 cm
a = 9 cm
b = 12 cm
ditanya C
C = K - (a+b)
C = 37 - (9+12)
C = 47 - 21
C = 26 cm
4. diket. ↓
K =50cm
a=20cm
b=17cm
C = 50 - (20 + 17)
C = 50 - 37
C = 13 cm
5. Diket. ↓
k = 42 cm
a=18cm
b=16cm
c = 42 - (18+16)
c = 42 - 34
c = 8 cm
#Jangan lupa berterima kasih
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Rumus Keliling = a + b + c
1. diket. ↓
a = 8cm
b = 15 cm
c = 15 cm
Ditanya K
K = 8 + 15 + 15
K = 8 + 30
K = 38 cm
2. diket. ↓
a = 12cm
b = 5 cm
c = 13 cm
Ditanya K
K = 12 + 5 + 13
K = 17 + 13
K = 30 cm
3. Diket. ↓
K = 37 cm
a = 9 cm
b = 12 cm
ditanya C
C = K - (a+b)
C = 37 - (9+12)
C = 47 - 21
C = 26 cm
4. diket. ↓
K =50cm
a=20cm
b=17cm
ditanya C
C = 50 - (20 + 17)
C = 50 - 37
C = 13 cm
5. Diket. ↓
k = 42 cm
a=18cm
b=16cm
ditanya C
c = 42 - (18+16)
c = 42 - 34
c = 8 cm
#semoga membantu
#Jangan lupa berterima kasih