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

:
.
,
Other exercises on:
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