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Luas Permukaan Bentuk Tiga Dimensi

Authored by POON Moe

Mathematics

8th Grade

Used 801+ times

Luas Permukaan Bentuk Tiga Dimensi
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Luas permukaan sfera

πj2\pi j^2

43πj3\frac{4}{3}\pi j^3

34πj2\frac{3}{4}\pi j^2

4πj24\pi j^2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Luas permukaan silinder

2πr2+2πrh2\pi r^2+2\pi rh

πr2+h\pi r^2+h

πr2h\pi r^2h

2πr+2h2\pi r+2h

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

   Cari luas permukaan kon yang jejarinya 7cm dan tingginya 10cm.                                                                  (π=227)\left(\pi=\frac{22}{7}\right)  

374

220

70

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

luas permukaan kuboid

 72cm272cm^2  

 114cm2114cm^2  

 144cm2144cm^2  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Silinder berikut memiliki jejari 14 cm, dan tinggi 20 cm. tentukan luas permukaannya.

2992 cm2cm^2

9922 cm2cm^2

9292 cm2cm^2

2929 cm2cm^2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Rajah menunjukkan bentangan sebuah kon. Kirakan jumlah luas permukaan kon dalam  cm2cm^2  . (Guna  π=227\pi=\frac{22}{7}  )

 22937229\frac{3}{7}  

264

418

308

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cari luas permukaan sebuah kubus yang mempunyai sisi 2cm.

24cm224cm^2

16cm216cm^2

8cm28cm^2

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