1. ā, ū are such that |ā=13 , 16 1=2 and (ā, b) . Then the area of the triangle with adjacent sides ā+27 and 2a +5 is 1) 513 2) 15 379/24) 15/2 Louadrilateral with

Area of the triangle with vertices ( - 2,2), (1,5) and (6, - 1 ) is

Find the area of the triangle with vertices are(3,5)(2,4)(5,1).

Using vectors,find the area of the triangle with vertices A(1,1,2),B(2,3,5) and C(1,5, 5)

The orthocentre of the triangle formed by A(1,2), B(-2,2), C(1,5) is

The orthocentre of the triangle formed by A(1,2), B(-2,2), C(1,5) is

If Delta is the area of triangle whose sides are a,b,c then the area of the triangle with 2a,2b,2c as the sides is

Area of a triangle with adjacent sides determined by vectors vec a and vec b is 20. Then the area of the triangle with adjacent sides determined by vectors (2vec a+3vec b) and (vec a-vec b) is

The area of a triangle with vertices at (-4,-1), (1,2) and (4,-3) is a. 17 b. 16 c. 15 d. none of these