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  • Find the value of the unknown exterior angle x in the following diagrams:

1. Find the value of the unknown exterior angle x in the following diagrams:

            

Answers (2)

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As we know that the exterior angle is equal to the sum of the opposite internal angles. So, 

i) x=50^0+70^0=120^0

ii) x=65^0+45^0=110^0

iii) x=30^0+40^0=70^0

iv) x=60^0+60^0=120^0

v) x=50^0+50^0=100^0

vi) x=30^0+60^0=90^0

 

Posted by

Pankaj Sanodiya

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As we know that the exterior angle is equal to the sum of the opposite interal angle so,

  1. x = 50+70 =120 , x=120
  2. x =65+45 = 110 , x=110
  3. x = 30+40 = 70 , x=70
  4. x = 60+60 = 120 , x=120
  5. x = 50+50 = 100 , x= 100
  6. x = 30+60 = 90 , x= 90
Posted by

Harshitha S.S

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