1103040209 | math4u.vsb.cz

SubArea:

Points and vectors

Level:

Project ID:

1103040209

Accepted:

1

Clonable:

0

Easy:

0

In the picture, there are indicated vectors

\vec{u}

and

\vec{v}

in three squares. Find the measure of an angle

φ

between

\vec{u}

and

\vec{v}

. Round

φ

to the nearest degree. Hint: Set up a coordinate system conveniently.

φ ≐ 8^{\circ}

φ ≐ 9^{\circ}

φ ≐ 10^{\circ}

φ ≐ 11^{\circ}