If ` vec xa n d vec y` are two non-collinear vectors and `A B C` isa triangle with side lengths `a ,b ,a n dc` satisfying `(20 a-15 b) vec x+(15b-12 c) vec y+(12 c-20 a)( vec xxx vec y)=0,` then triangle `A B C` is a. an acute-angled triangle b. an obtuse-angled triangle c. a right-angled triangle d. an isosceles triangle

If vec x and vec y are two non-collinear vectors and ABC is a triangle with side lengths a,b and c satisfying (20a-15b) vec x + (15b-12c) vec y + (12c-20a) vec x xx vec y=0 is:

If vec x and vec y are two non-collinear vectors and ABC isa triangle with side lengths a,b, and satisfying (20a-15b)vec x+(15b-12c)vec y+(12c-20a)(vec xxvec y)=0 then triangle ABC is a.an acute-angled triangle b.an obtuse- angled triangle c.a right-angled triangle d.an isosceles triangle

If vec x and vec y are two non-collinear vectors and ABC is a triangle with side lengths a,b and c satisfying (20a-15b)vec x+(15b-12c)vec y+(12c- 20a) vec x xxvec y is:

If vecx and vecy are two non-collinear vectors and ABC is a triangle with side lengths a, b and c satisfying (20a - 15b) vecx + ( 15b - 12c) vecy+ (12c - 20 a) (vecx xx vecy) = vec0 , then triangle ABC is

If vecx and vecy are two non-collinear vectors and ABC is a triangle with side lengths a, b and c satisfying (20a - 15b) vecx + ( 15b - 12c) vecy+ (12c - 20 a) (vecx xx vecy) = vec0 , then triangle ABC is

If vec x and vec y are two non-collinear vectors and a triangle ABC with side lengths a,b,c satisfying (20a-15b)vec x+(15b-12c)vec y+(12c-20a)(vec x xx vec y) = vec0 . Then triangle ABC is:

If vec x andvec y are two non-collinear vectors and a triangle ABC with side lengths a,b,c satisfying (20a-15b)vec x+(15b-12c)vec y+(12c-20a)(vec x xx vec y) = vec0 . Then triangle ABC is:

If vec xa n d vec y are two non-collinear vectors and a, b, and c represent the sides of a A B C satisfying (a-b) vec x+(b-c) vec y+(c-a)( vec xxx vec y)=0, then A B C is (where vec xxx vec y is perpendicular to the plane of xa n dy ) a. an acute-angled triangle b. an obtuse-angled triangle c. a right-angled triangle d. a scalene triangle

If vec xa n d vec y are two non-collinear vectors and a, b, and c represent the sides of a A B C satisfying (a-b) vec x+(b-c) vec y+(c-a)( vec xxx vec y)=0, then A B C is (where vec xxx vec y is perpendicular to the plane of xa n dy ) a. an acute-angled triangle b. an obtuse-angled triangle c. a right-angled triangle d. a scalene triangle

If vec xa n d vec y are two non-collinear vectors and a, b, and c represent the sides of a A B C satisfying (a-b) vec x+(b-c) vec y+(c-a)( vec x xx vec y)=0, then A B C is (where vec xxx vec y is perpendicular to the plane of xa n dy ) a. an acute-angled triangle b. an obtuse-angled triangle c. a right-angled triangle d. a scalene triangle