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Cyclic Quadrilaterals

Total questions: 26

Worksheet time: 17mins

Name
Class
Date
1.

Which circle does not have cyclic quadrilateral?

a)
b)
c)
d)
2.

Which of the following pairs of angles is/are equal?

a)

a and f

b)

b and d

c)

c and e

d)

d and g

3.

In the figure,
x = (no need to input unit in your answer)



(a)  

4.

In the figure,
y = (no need to input unit in your answer)



(a)  

5.

In the figure,

a)

x=32°x=32\degree and y=32°y=32\degree .

b)

x=67°x=67\degree and y=32°y=32\degree .

c)

x=67°x=67\degree and y=67°y=67\degree .

d)

x=102°x=102\degree and y=67°y=67\degree .

6.

Is OADC a cyclic quadrilateral?

a)

No

b)

Yes

7.

Is OCAB a cyclic quadrilateral?

a)

Yes

b)

No

8.

y is the opposite interior angle corresponding to ______.

a)

n

b)

m

c)

x

d)

z

9.

 if ∠ABC=76° ,what is ∠CDA?if\ \angle ABC=76\degree\ ,what\ is\ \angle CDA?  

a)

 76°76\degree  

b)

 104°104\degree  

c)

 284°284\degree  

d)

 90°90\degree  

10.

Find the sizes of the lettered angles in each of these circles

a)

a = 50, b = 95

b)

a = 85, b = 130

c)

a = 95, b = 50

d)

a = 130, b = 85

11.

Find the sizes of the lettered angles in each of these circles

a)

c = 92, x = 90

b)

c = 180, x = 77

c)

c = 88, x = 88

12.

Find the sizes of the lettered angles in each of these circles

a)

g = 105, h = 99

b)

g = 81, h = 105

c)

g = 99, h = 105

d)

g = 105, h = 81

13.

Find the angles of x and y in each of these circles where O is the centre

a)

x = 50°​

y = 62°

b)

x = 80°​

y = 100°

c)

x = 100°​

y = 80°

d)

x = 70°​

y = 20°

14.

∠x + ∠y =

a)

45°

b)

900°

c)

180°

d)

360°

15.

x =

a)

30°

b)

40°

c)

50°

d)

60°

16.

x =

a)

22°

b)

38°

c)

79°

d)

158°

17.

x =

a)

x = 8.5°

b)

x = 9.5°

c)

x = 76°

d)

x = 98°

18.

x =

a)

20°

b)

40°

c)

80°

d)

140°

19.

x =

a)

40°

b)

50°

c)

70°

d)

120°

20.

∠BCD =

a)

20°

b)

30°

c)

40°

d)

50°

21.

In the figure,
x = (no need to input unit in your answer)



(a)  

22.

Find the angles of x and y in each of these circles where O is the centre

a)

x = 50°​

y = 62°

b)

x = 80°​

y = 100°

c)

x = 100°​

y = 80°

d)

x = 70°​

y = 20°

23.

What is the sum of opposite interior angles in a cyclic quadrilateral?

a)

180°180\degree

b)

45°45\degree

c)

90°90\degree

d)

360°360\degree

24.

Which following is true?

a)

x=50°x=50\degree

b)

y=50°y=50\degree

c)

x=180°−50°x=180\degree-50\degree

d)

y=180°−50°y=180\degree-50\degree

25.

The exterior angle of a cyclic quadrilateral...

a)

is the sum of the opposite two interior angles

b)

equals the angle at the circumference subtended by arcs of the same length

c)

equals the opposite interior angle

d)

is twice the opposite interior angle

26.

Is OCAB a cyclic quadrilateral?

a)

Yes

b)

No