Question

In a triangle ABC, angle A=x°,angle B=2x°,angle C=y°. x-2y=45 prove that the triangle is a right angled triangle​

Answer 1

Answer:

it's not a right triangle

Step-by-step explanation:

x +2x+y=180°(30+60+90=180)

3x+y=180(90+90=180)

3x=180-90=90

3x=90

x=90÷3=30

x=30

2x=60

y=90