Angles

We investigated the matter from all angles.

We should approach this problem from different angles.

We considered the problem from all angles.

The two lines cross each other at right angles.

These lines meet at right angles.

These two lines cut across each other at right angles.

This means that houses are starting to sink, roads are breaking up and lamp-posts are leaning at crazy angles.

These two lines are at right angles.

You must view the matter from different angles.

The sum of all the angles in a triangle equals 180 degrees.