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May
24
comment Determining the equation of a plane that contains one point and one line.
Thank you, I will check this out soon. Goddamn, so did everything wrong? D:
May
24
asked Determining the equation of a plane that contains one point and one line.
May
24
asked Proving that three points don't belong to the same line.
May
23
asked How is the “normal equation” defined in a plane in $\mathbb{R}^3$?
May
23
accepted What does the dot product of two vectors represent?
May
22
awarded  Tumbleweed
May
22
asked What does the dot product of two vectors represent?
May
22
accepted Calculating the area of a triangle defined in $\mathbb{R}^3$
May
22
comment Calculating the area of a triangle defined in $\mathbb{R}^3$
Or manually count every pixel inside the triangle!
May
22
asked Calculating the area of a triangle defined in $\mathbb{R}^3$
May
22
accepted Is comparing the differences between each vector in a triangle enough to determine if it is isosceles?
May
22
asked Is comparing the differences between each vector in a triangle enough to determine if it is isosceles?
May
22
accepted Finding $\vec{DE}$ in a triangle $ABC$.
May
22
asked Finding $\vec{DE}$ in a triangle $ABC$.
May
22
comment What are the implications of $\vec{AB} = \vec{CD}$?
@GrahamKemp: Curious: are $\vec{AB} = \vec{BA}$ considered equal? Or they aren't because the direction is different?
May
22
asked What are the implications of $\vec{AB} = \vec{CD}$?
May
21
accepted Proving that this quadrilateral is a parallelogram.
May
21
asked Proving that this quadrilateral is a parallelogram.
May
20
accepted Why $\vec{AB} - s\vec{AB} = (1-s)\vec{AB}$?
May
19
asked Finding a vertex to complete a parallelogram in $\mathbb{R}^3$ and finding a cosine between two vectors.