Class 7 Exam  >  Class 7 Questions  >  a)50°b)120°c)110°d)30°Correct answer is 'A'. ... Start Learning for Free
  • a)
    50°
  • b)
    120°
  • c)
    110°
  • d)
    30°
Correct answer is 'A'. Can you explain this answer?
Verified Answer
a)50°b)120°c)110°d)30°Correct answer is 'A'. Can you explain this answ...
An exterior angle of a triangle is equal to the sum of the opposite interior angles
So in the given figure 
80deg = 30 deg + x 
it implies x = 50deg. 
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Most Upvoted Answer
a)50°b)120°c)110°d)30°Correct answer is 'A'. Can you explain this answ...
Linear pair of 80 is 100. sum of the angles of a triangle is 180. so 100+30+x=180 130+x=180 x=180-130 x=50'
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Community Answer
a)50°b)120°c)110°d)30°Correct answer is 'A'. Can you explain this answ...
The Total degrees of a tringle is 180 degree so, the angle is 50 degree
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