Given points \(A = [0;1;2]\),
\(B = [1;2;0]\),
\(C = [1;2;3]\), find the angle
between the lines \(AB\)
and \(AC\).
Round your answer to the nearest degree.
Find the angle between the \(x\)-axis
and the line \(p\).
\[
\begin{aligned}p\colon x& = 2 - t, &
\\y & = 3t,
\\z & = 1;\ t\in \mathbb{R}
\\ \end{aligned}
\]
Round your answer to the nearest minute.
The points \(A = [0;5;0]\),
\(B = [5;5;0]\),
\(C = [5;0;0]\),
\(D = [0;0;0]\) define the cube
\(ABCDEFGH\). Find the angle
between the lines \(BF\)
and \(AC\).
Round your answer to the nearest minute.
Find the angle between the planes \(\alpha \)
and \(\beta \).
\[
\alpha \colon 2x - 5y + 3z - 4 = 0,\qquad \beta \colon x - 3 = 0
\]
Round your answer to the nearest minute.
Given points \(A = [1;0;2]\),
\(B = [1;0;0]\) and the
plane \(\alpha \),
\[
\alpha \colon 2x - 4y = 0,
\]
find the angle between the line \(AB\)
and the plane \(\alpha \).
Round your answer to the nearest minute.
The points \(A = [0;5;0]\),
\(B = [5;5;0]\),
\(C = [5;0;0]\) and
\(D = [0;0;0]\) define the cube
\(ABCDEFGH\). Find the angle
between the line \(BF\)
and the plane \(AFE\).
Round your answer to the nearest minute.
The general plane \(\alpha \)
has the equation
\[
\alpha \colon 3z - 4 = 0
\]
and the plane \(\beta \) has a
normal vector \(\vec{n} = (0;0;1)\). Find
the angle between \(\alpha \)
and \(\beta \)
and round your answer to the nearest degree.
Given points \(A = [-1;0;3]\),
\(B = [0;2;0]\), find the angle
between the line \(AB\)
and the line \(m\).
\[
\begin{aligned}m\colon x& = 1 + 2t, &
\\y & = -3t,
\\z & = 1;\ t\in \mathbb{R}
\\ \end{aligned}
\]
Round your answer to the nearest minute.