Calculating Angles

Author: Will Haining
Working in Angles

Complete the test and get an award.
Question 1
ABC is a straight line. Work out the size of the angle marked x.
ABC is a straight line. Work out the size of the angle marked x.

Question 2
Work out the size of the angle marked x.
Work out the size of the angle marked x.

Question 3
AB and BC are perpendicular lines. Work out the size of the angle marked x.
AB and BC are perpendicular lines. Work out the size of the angle marked x.

Question 4
ABC is an isosceles triangle Work out the size of the angle marked x.
ABC is an isosceles triangle Work out the size of the angle marked x.

Question 5
Work out the size of the angle marked x.
Work out the size of the angle marked x.

Question 6
The diagram shows a square ABDE and an equilateral triangle BCD.
What is the size of angle ABD
The diagram shows a square ABDE and an equilateral triangle BCD. 
What is the size of angle ABD

Question 7
Work out the size of the angle marked x.
Work out the size of the angle marked x.

Question 8
Work out the size of the angle ABC.
Work out the size of the angle ABC.

Question 9
ABC is a straight line. Work out the size of the angle BDC.
ABC is a straight line. Work out the size of the angle BDC.

Question 10
Work out the size of the angle marked x.
Work out the size of the angle marked x.


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