2010007207 | math4u.vsb.cz

SubArea:

Angles, arcs and sectors

Level:

Project ID:

2010007207

Source Problem:

Accepted:

0

Clonable:

1

Easy:

1

The measures of given angles belong to the set

M

:

M = {150^{\circ} + k 360^{\circ}}, k \in {- 1; 0; 1} .

Determine their arithmetic mean.

150^{\circ}

90^{\circ}

- 90^{\circ}

- 150^{\circ}