Geometry: Angles at a Point
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  • Introduction
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Remember  

The angles around a point add to 360°

So the missing angle = 360° - 25° - 105° - 90º = 140°

  • Question 1
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Three of the four angles around a point are 70º , 60º and  65º.

Work out the size of the fourth angle in degrees.

 

(Just write the number)

  • Question 2
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Three of the four angles around a point are 75º , 90º and  65º.

Work out the size of the fourth angle in degrees.

 

(Just write the number)

  • Question 3
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Three of the four angles around a point are 100º , 60º and  58º.

Work out the size of the fourth angle in degrees.

 

(Just write the number)

  • Question 4
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Three of the four angles around a point are 110º , 160º and  54º.

Work out the size of the fourth angle in degrees.

 

(Just write the number)

  • Question 5
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Three of the four angles around a point are 120º , 120º and  65º.

Work out the size of the fourth angle in degrees.

 

(Just write the number)

  • Question 6
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Three of the four angles around a point are 140º , 64º and  95º.

Work out the size of the fourth angle in degrees.

 

(Just write the number)

  • Question 7
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Three of the four angles around a point are 145º , 64º and  85º.

Work out the size of the fourth angle in degrees.

 

(Just write the number)

  • Question 8
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Three of the four angles around a point are 128º , 67º and  145º.

Work out the size of the fourth angle in degrees.

 

(Just write the number)

  • Question 9
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Four of the five angles around a point are 76º , 60º , 142º and  65º.

Work out the size of the fifth angle in degrees.

 

(Just write the number)

  • Question 10
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Nine of the ten angles around a point are 

72º , 69º , 5º  , 18º ,  12º , 20º , 37º , 18º and  35º.

Work out the size of the tenth angle in degrees.

 

(Just write the number)

Progress