Question

angle
11 If one angle of a triangle is equal to the sum of the other two, show that
the triangle is right angled.
12 Inch nale
: than them the other​

Answer 1

Step-by-step explanation:

sum of angles of a triangle = 180°

Let the angles be X,y,z

Therefore, X+y+z= 180°

Also, X = y+z

x +(y+z) = 180°

2x = 180°

x = 90°

hope this helps you