OEF vectors 2D
--- Introduction ---
This module contains actually 11 exercises on vectors in 2D
(linear combinations, angle, length, scalar product, vector product, etc.).
Area of parallelogram
(,) , (,) , (,) , (,).
Area of pentagon
= (,),
= (),
= (),
= (),
= ().
Area of quadrilateral
xrange -15,15 yrange -15,15 arrow -15,0,15,0,10,grey arrow 0,-15,0,15,10,grey linewidth 2 polygon red,,,,,,,, linewidth 4 points blue,,,,,,,,
= (,),
= (),
= (,),
= ().
Area of triangle
(,), (,), (,).
Angle
,
,
.
Combination
,
.
.
Combination 3 vectors
,
,
.
.
Find combination
,
.
:
.
Given scalar products
,
.
:
,
.
Vertex of parallelogram
,
,
.
.
Linear relation
:
.
,
The most recent version
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- Description: collection of exercises on 2D vectors. interactive exercises, online calculators and plotters, mathematical recreation and games
- Keywords: interactive mathematics, interactive math, server side interactivity, algebra, linear_algebra, geometry, vectors, cross_product, polygons,euclidean_geometry