[" In "a Delta ABC,/_A=x^(@),/_B=(3x)^(@)" and "/_C=y^(@)" ."],[" If "3y-5x=30," show that the triangle is right-angled."]

in the triangle ABC,/_A=x^(@),/_B=3x^(@),/_C=y^(@) .if 3y-5x=30 then prove that the triangle is right angled.

In a Delta A B C ,\ \ /_A=x^o,\ \ /_B=3x^o and /_C=y^o . If 3y-5x=30 , prove that the triangle is right angled.

in the triangle ABC , /_A=x^@,/_B=3x^@,/_C=y^@ . if 3y-5x=30 then prove that the triangle is right angled.

In ABC the /_ A= x@ , /_ B= 3x@ and /_ C= y@ . If 3y-5x=30 then prove that the traingle is right angled.

In a triangle ABC, /_A=x^(2),/_B=y^(@) and /_C=(y+20)^(@) . If 4x+y=10 , then the triangle is

In a ABC,quad /_A=xo,quad /_B=3xo and /_C=yo* If 3y-5x=30, prove that the triangle is right angled.

In a Delta A B C , /_A=x^o,\ \ /_B=(3x-2)^o,\ \ /_C=y^o . Also, /_C-/_B=9^o . Find the three angles.

Work Problem on Geometry In a triangle ABC, /_A=x^@, /_B=(3x-2)^@, /_C=y^@ . Also /_C-/_B=9^@ . Find the three angles.

In triangle ABC , /_B=90^@, /_C=x^@, /_A=(x+30)^@ . Find /_A .

In a triangles ABC , angle A = x^(@) , angle B = (3x - 2) ^(@) and angle C = y^(@) , " Also " ,angle C - angle B = 9^(@) Find all the three angles of the Delta ABC .