WorksheetsYear 10 - Basic Angle Rules - Tawa College
Total questions: 12
Worksheet time: 13mins
What is the rule you would use to calculate the size of angle b?
Adjacent angles on a straight line add to 180
Angles on a straight line add to 180
They add to 180
What rule would you use to calculate the size of angle a?
Vertically opposite angles are equal
Adjacent angles on a straight line add to 180
Angles at a point add to 360
What rule would you use to calculate the size of angle a?
Angles at a point add to 360
Adjacent angles on a straight line add to 180
Vertically opposite angles are equal
What rule would you use to calculate the size of angle A?
Adjacent angles on a straight line add to 180
Angles in a triangle add to 180
Angles at a point add to 360
Base angles in an isosceles triangles are equal
What rule would you use to calculate the size of angle y?
Angles in a triangle add to 180
Base angles in an isosceles triangle are equal
Adjacent angles on a straight line add to 180
Angles at a point add to 360
What is the size of x?
45
40
55
60
What is the size of angle x?
40
140
220
How many obtuse angles in this shape
1
2
3
4
Angle 2 = 3x-19
Find the measure of Angle 3.
