Question

if one angle of a triangle equals the sum of the other two ,the triangle is a right-angled triangle.prove this.​

Answer 1

Answer:

Step-by-step explanation:

let the sum of two angles be x

third angle will also be x

angle sum property of triangle

x+x=180

2x=180

x=90

∴one angle is right angle

∴it is a right angle triangle