garis singgung lingkaran
Quiz
•
Mathematics
•
7th Grade
•
Easy
galih yogadiputra
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui panjang jari-jari dua lingkaran adalah 12cm dan 3 cm. Jarak kedua pusat adalah 20 cm. Maka panjang garis singgung persekutuan luar lingkaran adalah ...
25
24
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
rumus garis singgung lingkaran pada gambar tersebut adalah . . . .
PA2 = PO2 - OA2
PA2 = PO2 + OA2
OP2 = PA2 - OA2
PO2 = PA2 + OA2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gambar di samping adalah penampang 8 buah pipa berbentuk lingkaran yang masing-masing berjari-jari 14 cm. Panjang tali minimal yang diperlukan untuk mengikat seluruh pipa tersebut adalah ....
312 cm
286 cm
234 cm
198 cm
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika R dan r adalah panjang jari-jari lingkaran besar dan kecil, pilihlah pernyataan yang benar...
jari-jari garis singgung persekutuan dalam dua lingkaran adalah R-r
jai-jari garis singgung persekutuan luar dua lingkaran adalah R-r
jari-jari garis sinnggung persekutuan luar dua lingkaran adalah R+r
jari-jari garis singgung persekutuan dalam dua lingkaran r - R
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada gambar tersebut, jika panjang AB = 12 cm dan panjang OA= 15 cm, maka luas segitiga AOB adalah ..
108 cm2
90 cm2
60 cm2
54 cm2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada gambar tersebut, jika panjang OA = 25 cm dan panjang garis singgung AB = 24 cm, maka panjang jari-jari OB adalah ....
7 cm
8 cm
9 cm
10 cm
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rumus menghitung luas dan keliling lingkaran berturut-turut adalah ...
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