If the sides of a triangle are `17 , 25a n d28 ,` then find the greatest length of the altitude.

If the sides of a triangle are a, b and sqrt(a^(2) + ab + b^(2)) , then find the greatest angle

The measures of the sides of a triangle are 3,5 and 7 then the greatest angle is

IF the sides of a triangle are x^2 + x+1 , x^2 -1 and 2x +1 then the greatest angle is

If two side of a triangle are hat i+2 hat ja n d hat i+ hat k , then find the length of the third side.

If the middle points of the sides of a triangle are (-2,3),(4,-3),a n d(4,5) , then find the centroid of the triangle.

If the midpoints of the sides of a triangle are (2,1),(-1,-3),a n d(4,5), then find the coordinates of its vertices.

If area of a triangle is 2 sq. units, then find the value of the product of the arithmetic mean of the lengths of the sides of a triangle and harmonic mean of the lengths of the altitudes of the triangle.

If the lengths of the sides of a triangle are in AP and the greatest angle is double the smallest, then a ratio of lengths of the sides of this triangle is

The sides of a triangle are x^2+x+1,2x+1,a n dx^2-1 . Prove that the greatest angle is 120^0dot

IF the lengths of the side of triangle are 3,5A N D7, then the largest angle of the triangle is pi/2 (b) (5pi)/6 (c) (2pi)/3 (d) (3pi)/4