Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Problem
Problem
Two vectors
A
and
B
are such that
A
+
B
=
C
\mathbf{A} + \mathbf{B} = \mathbf{C}
A
+
B
=
C
and
A
2
+
B
2
=
C
2
A^2 + B^2 = C^2
A
2
+
B
2
=
C
2
. If
θ
\theta
θ
is the angle between positive direction of
A
and
B
, then the correct statement is a.
θ
=
π
\theta = \pi
θ
=
π
b.
θ
=
2
π
3
\theta = \frac{2\pi}{3}
θ
=
3
2
π
c.
θ
=
0
\theta = 0
θ
=
0
d.
θ
=
π
2
\theta = \frac{\pi}{2}
θ
=
2
π
Browse the problem library