Circle Theorems (H) QP
Circle Theorems (H) QP
Circle Theorems (H) QP
Q1.
Here is a cyclic quadrilateral.
x : y = 5 : 7
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Q2.
B, X, Y and Z are points on the circumference of a circle.
ABC is a tangent to the circle.
BX is parallel to ZY.
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Page 2 of 18
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Q3.
A, B and C are points on a circle.
Angle CBQ = x
Prove that AC = BC
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(Total 3 marks)
Page 3 of 18
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Q4.
(a) A, B and C are points on the circumference of a circle with centre O.
Not drawn
accurately
Not drawn
accurately
Reason ____________________________________________________________
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(2)
(Total 3 marks)
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Calculator
Q5.
ABCD is a cyclic quadrilateral.
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x = ______________ , y = ______________
(Total 5 marks)
Page 5 of 18
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Q6.
A, B and C are points on a circle.
CD is a tangent to the circle.
Reason _________________________________________
(Total 2 marks)
Page 6 of 18
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Q7.
The diagram shows a cyclic quadrilateral ABCD.
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x = __________________________________ degrees
(Total 3 marks)
Page 7 of 18
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Q8.
ABCD is a cyclic quadrilateral.
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x = _____________________________________ degrees
y = _____________________________________ degrees
(Total 4 marks)
Page 8 of 18
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Q9.
ABP and ADQ are tangents to the circle, centre O.
C lies on the circumference of the circle.
Prove that y = 2x
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(Total 6 marks)
Page 9 of 18
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Q10.
ABC and EDC are straight lines.
AD = ED
Reason ____________________________________________________________
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(2)
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Page 10 of 18
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Q11.
The diagram shows a circle, centre O.
AB is a tangent.
Not drawn
accurately
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Answer ______________________________________ cm
(Total 4 marks)
Page 11 of 18
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Q12.
A, B, C, D, E and F are points on a circle.
BE AD AC BF
(Total 1 mark)
Page 12 of 18
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Q13.
AB is a tangent to the circle.
Reason ________________________________________________________________
(Total 2 marks)
Page 13 of 18
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Q14.
A, B, C, D and E are points on a circle.
AC is parallel to ED.
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Page 14 of 18
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Q15.
(a) P, Q, R and S are points on the circumference of the circle.
Not drawn accurately
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Reason ___________________________________________________________
(2)
Page 15 of 18
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(c) A, C and D are points on the circle, centre O.
BA and BC are tangents to the circle.
Not drawn accurately
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Page 16 of 18
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Q16.
XTY is a tangent to the circle.
Not drawn
accurately
Answer ___________________________________degrees
Reason ____________________________________________________________
(2)
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Answer ___________________________________degrees
(1)
(Total 3 marks)
Page 17 of 18
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Q17.
A, B, C, D and E are points on a circle.
DC = DF
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Page 18 of 18
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