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There are 3 angle of a triangle 1st angle is 50° , 2nd angle is 60° and 3rd angle is x . Find the value of x . And prove that the sum of all angle is 180° . Draw a triangle beside the answer.

Posted by Sanjit Sahoo 5 years, 3 months ago

CBSE > Class 07 > Mathematics

2 answers

Pinky Devi 5 years, 3 months ago

By using Angle Sum Property we can write :- 50°+60°+ x =180° =>110°+ x =180° => x =180°-110° => x =70°

1Thank You

Nehal Jain 5 years, 3 months ago

1st = 50 degrees 2nd = 60 degrees 3rd= x to find the value of x 50 + 60 + x = 180 = 130 + x = 180 x = 180 -130 x= 50 therefore the 3rd angle = 50 degrees

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CBSE > Class 07 > Mathematics