CIRCLES (FORM 2)

1.

The above figure shows a rectangle JKLMN and two similar quadrants, JKL and LNM. Find the perimeter of the shaded part, in cm.

A 28B 50C 72D 94

2.

The above shows a circle witrh centre O and circumference of 44π cm. Find the length of TU, in cm.

A 15 cmB 13 cmC 12 cmD 5 cm

3.

The above figure shows a rectangle JNPQ and four quadrants, JKR, JLQ, NPL and NOM. Find the perimeter of the shaded part, in cm.

A 202B 188C 174D 160

4.

In the above figure, O is the centre of the circle. ABO and CDO are quadrants of the circle. Calculate the area of the shaded region, in cm².

A 110.25B 63C 31.5D 15.75

5.

In the above figure, O is the centre and CD is an arc of the circle. Find the area of the shaded region,

in cm².

A 2cm7

41

B 2cm7

114

C 2cm7

515

D 2cm7

616

6.

The above figure shows three semicircles with centre D. Given that AG is a straight line and AB = BC = CD = DE = EF = FG = 3 cm. Line DH is perpendicular to line AG. Find the area of the shaded

region, in cm².

Aπ

4

36

Bπ

2

113

Cπ

4

120

D π27

ANSWER:

1. C2. C3. B4. B

5. B6. C