9000108801 | math4u.vsb.cz

SubArea:

Points and vectors

Level:

Project ID:

9000108801

Accepted:

1

Clonable:

1

Easy:

0

Find the angle between the vector

\vec{u} = (1; \sqrt{2})

and

\vec{v} = (3; - 1)

. Round to the nearest degree.

73^{\circ}

42^{\circ}

57^{\circ}

64^{\circ}