
KELILING DAN LUAS SEGITIGA
Authored by musa musthofa
Mathematics
7th Grade
Used 36+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Keliling segitiga sama sisi 18 cm. Panjang sisi-sisinya adalah….
5 cm, 6 cm, dan 7 cm
5 cm, 5 cm, dan 8 cm
4 cm, 10 cm, dan 4 cm
masing-masing 6 cm
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Kain penutup kepala Kevin Tara berbentuk segitiga dengan sisi 30 cm, 25 cm, dan 25 cm. Keliling kain penutup kepala tersebut adalah … dm.
8
10
15
80
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Keliling sebuah segitiga 30 cm. Jika sisi keduanya lebih panjang 1 cm dari pada sisi pertamanya dan sisi ketiganya lebih panjang 1 cm dari pada sisi keduanya, maka panjang sisi-sisi segitiga tersebut adalah….
8 cm, 9 cm, dan 10 cm
10 cm, 11 cm, dan 12 cm
9 cm, 10 cm, dan 11 cm
8 cm, 11 cm, dan 11 cm
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sisi-sisi sebuah segitiga siku-siku merupakan bilangan asli berurutan. Jika luas segitiga tersebut , kelilingnya adalah … cm.
7
10
12
15
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui panjang salah satu sisi segitiga samakaki 10 cm. Jika kelilingnya 36 cm, maka luas terkecil dari segitiga tersebut adalah….
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Coba perhatikan gambar bangun berikut.
Luas ∆ABC . Jika AD = 10 cm dan DB = 8 cm, maka luas ∆ACD adalah … .
60
48
58
54
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sebuah segitiga mempunyai alas 3 cm lebih pendek dari tingginya dan luasnya kurang dari . Jika tinggi segitiga itu t cm maka….
0 < t < 6
0 < t < 9
3 < t < 6
3 < t < 9
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