Quiz Matematika by Ifroha Anita Silvia

Quiz
•
Mathematics
•
6th - 8th Grade
•
Hard
Ifroha Anita Silvia
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sudut yang besarnya 167o termasuk jenis sudut ….
lancip
tumpul
siku siku
sembarang
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Segi yang merupakan kurva tertutup yang seluruh sisinya dibatasi oleh garis. pengertian dari ...
segi banyak
bidang datar
sudut
bentuk
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jarak sebenarnya kota Lamongan dengan kota Gresik adalah 42km. Jika jarak pada peta 7cm, tentuka skala yang digunakan pada peta!
1:600.000 cm
1:60.000 cm
1:6.000 cm
1:600 cm
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rumus suku suatu barisan adalah Un=3n+2. Jumlah suku ke-25 dan ke 30 dari barisan tersebut adalah. . .
199
189
179
169
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hasil dari 3√7 x 2√2 + 5√14 adalah. . .
10√13
11√14
12√15
13√16
Answer explanation
Rumus:
a√m + b√m = (a+b)√m
a√m x b√n = (axb)√mxn
Jadi
3√7 x 2√2 + 5√14
= [(3x2)√7x2] + 5√14
= 6√14 +5√14
= 6+5√14
=11√14
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Siswa kelas 9 terdiri dari 25 anak. Terdapat 14 siswa gemar voli, 15 siswa gemar sepak bola, dan yang tidak gemar keduanya 5 siswa. Banyak siswa yang gemar keduanya adalah...
8
9
10
11
Answer explanation
Keterangan: V(Voli) dan SB(Sepak Bola)
n(V∪SB) = n(V) + n(SB) − n(V∩SB)
20 = 14 + 15 − x
20 = 29 − x
x = 29 − 20
x = 9
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Data tinggi badan 20 siswa (dalam cm) sebagai berikut.
157, 159, 159, 156, 157, 157, 158, 158, 158, 160, 160, 161, 158, 159, 159, 156, 156, 157, 159, 160, 160, 158, 159, 160.
Modus tinggi badan siswa adalah...
157
158
159
160
Answer explanation
Nilai yang sering muncul
156: 3x
157: 4x
158: 5x
159:6x
160: 5x
161: 1x
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