 # Geometry: What's the Angle?

In this worksheet, students answer a variety of angle-based questions. Key stage:  KS 2

Curriculum topic:  Maths and Numerical Reasoning

Curriculum subtopic:  2D Shapes: Circles, Angles and Bearings

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### QUESTION 1 of 10

Remember that......

The angles inside a triangle add up to 180º

The angles around a point add up to 360º

An acute angle is less than 90º

A right angle is 90º

An obtuse angle is between 90º and 180º

A straight line angle is 180º

A reflex angle is between 180º and 360º

Three of the four angles around a point are 25º , 105º and  65º.

Work out the size of the fourth angle in degrees.

(Just write the number)

Complete the sentence....

A  72º angle is ..................

acute

right angle

obtuse

straight

reflex

Two of the angles in a triangle are 25º and   67º.

Work out the size of the third angle in degrees.

(Just write the number)

Three of the four angles around a point are 255º , 5º and  61º.

Work out the size of the fourth angle in degrees.

(Just write the number)

Complete the sentence....

A  212º angle is ..................

acute

right angle

obtuse

straight

reflex

Two of the angles in a triangle are 115º and   43º.

Work out the size of the third angle in degrees.

(Just write the number)

Two of the three angles around a point are 115º and   43º.

Work out the size of the third angle in degrees.

(Just write the number)

Complete the sentence....

A  142º angle is ..................

acute

right angle

obtuse

straight

reflex

Two of the three angles in a triangle are 79º and   79º.

Work out the size of the third angle in degrees.

(Just write the number)

Four of the five angles around a point are 62º , 63º , 64º and  65º.

Work out the size of the fifth angle in degrees.

(Just write the number)

• Question 1

Three of the four angles around a point are 25º , 105º and  65º.

Work out the size of the fourth angle in degrees.

(Just write the number)

165
• Question 2

Complete the sentence....

A  72º angle is ..................

acute
• Question 3

Two of the angles in a triangle are 25º and   67º.

Work out the size of the third angle in degrees.

(Just write the number)

88
• Question 4

Three of the four angles around a point are 255º , 5º and  61º.

Work out the size of the fourth angle in degrees.

(Just write the number)

39
• Question 5

Complete the sentence....

A  212º angle is ..................

reflex
• Question 6

Two of the angles in a triangle are 115º and   43º.

Work out the size of the third angle in degrees.

(Just write the number)

22
• Question 7

Two of the three angles around a point are 115º and   43º.

Work out the size of the third angle in degrees.

(Just write the number)

202
• Question 8

Complete the sentence....

A  142º angle is ..................

obtuse
• Question 9

Two of the three angles in a triangle are 79º and   79º.

Work out the size of the third angle in degrees.

(Just write the number)

22
• Question 10

Four of the five angles around a point are 62º , 63º , 64º and  65º.

Work out the size of the fifth angle in degrees.

(Just write the number)

106
---- OR ----

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