the radius of 2

7/27/2019 The Radius of 2

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1. TOPIC : CIRCLES I

Instruction : This test consist of 20 objective questions marked A, B, C and D.Choose only ONE correct answer. Answer all questions.

Arahan : Uj ian ini mengand ung i 20 soalan berbentuk objekt i f bertanda A , B, Cdan D. Pi l ih hanya SATU jawapan yang betul sahaja. Jawab semu a soalan.

The diagram above shows two circles with centre O. Given that KPOM is thediameter of the bigger circle and KP = PO = 8 cm, find the area of the shadedregion in cm

2.

Gambar rajah di atas menunjukkan dua bulatan berpusatkan O. Diberikan bahawaKPOM adalah diameter bagi bulatan yang lebih besar dan KP = PO = 8 cm, cariluas bahagian yang berlorek dalam cm2...

19233 19233

A.

B.

C.

D.


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2. Calculate the diameter of a circle, given that its circumference is 0.28 cm.

Kirakan diameter sebuah bulatan, diberikan bahawa ukur lilitnya adalah 0.28 cm.

19235 19235 0 0

A. 0.7 cm.

B. 0.14 cm.

C. 0.28 cm.

D. 0.56 cm.

3.

In the figure above, AB = 3 cm and BC = 4cm. O is the centre of the circle. Area ofthe shaded region (in cm

2) is...

Dalam rajah di atas, AB = 3 cm dan BC = 4 cm. O adalah pusat bulatan. Luasbahagian berlorek (dalam cm2) adalah...

19237 19237 0

A. 6.

B. 13.64.

C. 19.64.

D. 20.


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4. In the diagram below, the area of the circle is 60 cm .

Dalam gambar rajah di bawah, luas bulatan adalah 60 cm2.

The area of the shaded region, in cm2, is...

Luas kawasan berlorek, dalam cm2, adalah...

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A. 10.

B. 20.

C. 30.

D. 50.


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5.

In the above diagram, KLMN is a rectangle. Sectors PNK, LMQ, SNT and RMT areequal size. The area of the diagram, in cm

2, is...

Dalam gambar rajah di atas, KLMN adalah segiempat tepat. Sektor PNK, LMQ,SNT dan RMT adalah sama saiz. Lurus gambar rajah, dalam cm2, adalah...

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A.

B.

C.

D.


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6. In the circle below,


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7.

The figure above shows a square ABCD and two semicircles with diameters ADand BC. Area (in cm

2) of the whole figure is...

Rajah di atas menunjukkan suatu segiempat sama, ABCD dan dua semibulatandengan diameter AD dan BC. Luas seluruh rajah (dalam cm2) adalah...

19510 19510 0 0

A.

B.

C.

D.


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8.

In the above diagram , PQ and SR are two arcs with centre O. Calculate the area,in cm2, of the shaded region.

Dalam gambar rajah di atas, PQ dan SR adalah dua lengkok dengan pusat O.Kirakan luas, dalam cm2, kawasan berlorek...

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A. 28.

B. 56.

C. 112.

D. 147.

9.

19499

19499 0 0

A. 64.

B. 78.

C. 86.


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D. 100.

10. The diagram shows a riht-angled triangle PQR.R is the centre of a quadrant.

Given that RS = 7 cm, PS = 9 cm and PQ = 20 cm, calculate the area of the

shaded region, in cm2.

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A. 36.5.

B. 39.5.

C. 42.5.

D. 57.5.

11.

In the figure above, OAB is a sector of a circle with centre O. Given AC = 5 cm andOA = 13 cm. Area (in cm

2) of the shaded region is...

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A.

B.

C.


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D.

12.

I

n the diagram, JMK is a semicircle of radius 14 cm and JKLMN is a rectangle. Findthe perimeter, in cm, of the shaded region.

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A. 44.

B. 72.

C. 100.

D. 144.

13.

Given that O is the centre of the biggest circle. The area of the shaded region, incm

2, is...

19502 19502 0 0

A.

B.


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C.

D.

14. The diagram shows a trapezium PQRS.

PQ = PS = 10 cm, RS = 16 cm and QMN is a quadrant of radius 6 cm with centreQ. Find the area, in cm

2, of the shaded region.

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A.

B.

C.

D.

15.

Figure A shows an equilateral triangle with sides 14 cm. Figure B shows a circlewhereby its circumference is equal to the permineter of Figure A. Area of the circle(in cm2) is...

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A.

B.


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C.

D.

16.

The diagram shows two circles with the same centre at O. The diameters, POR andQTOS, are perpendicular to each other. Given that OT = TQ = 2 cm, calculate thearea, in cm2, of the shaded region.

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A.

B.

C.

D.


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17.

Given that PSQR is a semicircle with centre O, find the perimeter of the shadedregion in cm.

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A. 15.71.

B. 29.71.

C. 31.42.

D. 45.42.


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18. The diagram shows a right-angled triangle and semicircle. PQ is the diameter of thesemicircle.

The perimeter of the whole diagram, in cm, is...

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A.

B.

C.

D.

19. The circumference of a circle with centre O is 26.4 cm. The diameter of the circle,

in cm, is...19514 19514 0 0

A. 0.7.

B. 1.4.

C.2.1.

D. 8.4.


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20.

In the diagram, PQR is a straight line and PQS is a quadrant of a circle with centreQ. The area of triangle QRS is 126 cm2. Calculate the area, in cm, of quadrantPQS.

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A. 11.

B. 77.

C. 154.

D. 616.

the radius of 2

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