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...
Exterior angle is equal to opposite interior angle so, when we add 50 degree to 30 it will come 80 degree .. that 'A' is correct
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Community 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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a)50°b)120°c)110°d)30°Correct answer is 'A'. Can you explain this answer?
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