Question

a
6. If one of angle of a triangle és egual to
the sum of the other two show that
the triangles és sight - angled.​

Answer 1

Step-by-step explanation:

let the sum of the two angles be x

then the other angle =

180-x

now,

x=180-x

x+x=180

2x=180

x=90

According to question

x=the third angle

3rd angle=90°

.•.the triangle is right angled triangle