Chapter 5&6

Add the two angles to complete the statement.

The shaded angle:

• 1. is a straight angle

• 1. is not a straight angle

The two angles marked with stars are equal and add to form a straight angle.

What is the size of one of the angles? Fill the answer without symbol of degree!

Six angles, all the same size, combine to form a complete revolution.

What is the size of each angle? Fill the answer without symbol of degree!

Each of these angles is the same size.

What is the size of each angle? fill the answer without symbol of degree!

What is the size of the shaded angle? Fill the answer without symbal of degree!

Find the value of x.

The letter a represents the same number in each angle.

Find the size of a°

The letters a, b and c represent the size of each angle.

Find the size of each of the three angles.

• a=40°, b=140°, c=130°

• a=45°, b=135°, c=130°

• a=40°, b=130°, c=140°

• a=35°, b=125°, c=150°

ST is a straight line and so is UV.

What is the size of the marked angle?

This angle measures:

• 1. 75°

• 1. 105°

• 1. 85°

• 1. 115°