Soal Soal Soal
K persegi
K = 4s
K = 4 × 8 cm
K = 32 cm
-
K segitiga
K = a + b + c
K = 8 cm + 10 cm + 10 cm
K = 18 cm + 10 cm
K = 28 cm
-
K gabungan
K = persegi + segitiga
K = 32 cm + 28 cm
K = 60 cm
#koreksi
Segitiga
Diketahui :
sisi = 10 cm
Ditanya :
keliling ... ?
Jawaban :
kll = a + b + c
= 10 + 10 + 10
= 30 cm
===========
Persegi
Diketahui :
sisi = 8 cm
Ditanya :
keliling ... ?
Jawaban :
kll = 4 × s
= 4 × 8
= 32 cm
==========
Keliling gabungan :
kll segitiga + kll persegi
= 30 + 32
= 62 cm
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