Posted by **Randall** on Tuesday, March 27, 2012 at 11:59pm.

A parallelogram is defined by vectors OA=(4,3) and OB=(1,1). Determine the length of the diagonals

OA+OB=(4,3)+(1,1)

=(5,4)

sqrt(5^2+4^2)

=6.403

OA-OB=(3,2)

sqrt(3^2+2^2)=3.60

Therefore the length of diagonals are 6.40 and 3.60 units.

## Answer This Question

## Related Questions

- Calculus and vectors - A parallelogram is formed by R^3 by the vectors PA=(3,2,-...
- calculus - A parallelogram is determined by the vectors a = [-2, 5] and b = [3, ...
- linear algebra urgent - For the orthogonal matrix A = 1/sqrt(2) -1/sqrt(2) -1/(...
- geometry - Given: QRST is a parallelogram. Prove: QRST is a square. Complete ...
- Geometry - Write a proof. 1. Prove: If the diagonals of a parallelogram are ...
- Calculus - Graph the curve and find its exact length. x = e^t + e^-t, y = 5 - 2t...
- math - Are the diagonals of a parallelogram perpendicular? Why or why not? ...
- Math - Are the diagonals of a parallelogram perpendicular? Why or why not? ...
- Math - Are the diagonals of a parallelogram perpendicular? Why or why not? ...
- Math Help please!! - Could someone show me how to solve these problems step by ...

More Related Questions