LUAS BULATAN

LUAS BULATAN

Assessment

Assessment

Created by

NOOR Moe

Mathematics

8th Grade

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16 questions

Show answers

1.

Multiple Choice

30 sec

1 pt

Hitung luas bulatan yang mempunyai jejari 3 cm. Berikan jawapan anda dalam dua tempat perpuluhan. ( Guna  π=227\pi=\frac{22}{7}  )

28.28 cm

28.29 cm

18.85 cm

18.86 cm

2.

Multiple Choice

30 sec

1 pt

Hitung luas bulatan yang mempunyai jejari 3 cm. Berikan jawapan anda dalam dua tempat perpuluhan. ( Guna  π=227\pi=\frac{22}{7}  )

28.28 cm

28.29 cm

18.85 cm

18.86 cm

3.

Multiple Choice

30 sec

1 pt

Diberi jejari ialah  21 m21\ m   dan luas sektor bulatan ialah  27.72 m227.72\ m^2 , hitung sudut pada pusat bulatan. 

 14.4°14.4\degree  

 14.5°14.5\degree  

 7.2°7.2\degree  

 7.3°7.3\degree  

4.

Multiple Choice

30 sec

1 pt

Media Image

Hitung luas kawasan berolorek dalam cm2.

(Guna π = 3.14)

11

11.8

16.5

33

5.

Multiple Choice

30 sec

1 pt

Media Image

Dalam rajah, AB dan CD ialah lengkok dua bulatan yang berpusat O.

Hitung luas kawasan berlorek dalam cm2.

12π

24π

30π

6.

Multiple Choice

30 sec

1 pt

Media Image

Rajah menunjukkan tiga bulatan. O ialah pusat bagi bulatan yang paling besar.

Diberi PQ = 4 cm dan QR = 2 cm, hitung luas,

dalam cm2, rantau berlorek.

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