Exam-Style Questions on Angles
Problems on Angles adapted from questions set in previous exams.
The exterior angle of a regular polygon is 72°
What is the name of the regular polygon?
A number of regular pentagons and squares are arranged around the outside of a large blue regular polygon. Just the lower part of the arrangement is shown below.
How many sides does the large blue regular polygon have?
In the following diagram AD is parallel to CE and AD = CD. Angle AFD is a right angle.
The diagram is not drawn to scale.
Calculate the size of angle DCE.
The diagrams are not drawn to scale
ABCDEF is a hexagon with AB parallel to ED and BC parallel to FE.
GFE and GABH are straight lines. Angle CBH = 70o and angle EFA = 90o.
Calculate the values of:
K, P, J and N are points on a circle and KN = NP.
KJ is a diameter and LKM is the tangent to the circle at K.
Angle LKN = 59o.
Find the values of:
B, C, D and E are points on the circumference of a circle, centre O.
BD is a diameter of the circle and the diagram is not drawn to scale.
(a) Find the size of angle DBE and give a reason for your answer.
(b) Find the size of angle DBC and give a reason for your answer.
In the diagram above, not drawn to scale, A, B and C are points on a circle, centre O. TA is a tangent to the circle at A and OBT is a straight line. AC is a diameter and angle OTA = 28°.
(a) angle AOT
(b) angle ACB
(c) angle ABT
PQRS is a rhombus and C is the midpoint of QS.
The angle QRS is 120o and A is the point on QS such that PA = AQ.
Calculate the size of angle CPA.