Let the first and second angle be a and b respectively
Third angle = a+b
By angle sum property of triangle
a +b + a+b = 180
=> 2a +2b = 180
=> 2(a+b) = 180
=> a+b = 90°
Third angle = 90°
-Answered by Master Purushottam On 23 August 2019:11:41:59 PM
Question 1. Asked on :13 January 2019:05:13:09 PM
show that if sum of the two angles of a triangles is equal to the third angle is right triangle.
-Added by khushi chauhan Mathematics » Lines And Angles
Answer:
Let the first and second angle be a and b respectively
-Answered by Master Purushottam On 23 August 2019:11:41:59 PM
Question 2. Asked on :13 January 2019:04:58:17 PM
In a ΔABC, ∠A+∠B=125º And ∠B+∠C=150º. Find all the angles of ΔABC.
-Added by Himanshi Verma Mathematics » Lines And Angles
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