at right angles

On a promontory above Puget Sound, a Douglas fir with arms bent at right angles stands above a quiet cove, where shellfish would have been gathered, long before this place was settled by newcomers.

Planets that orbit stars at right angles.

But what excited them most were two pieces of wood found at right angles to each other.

"Plus we had photographs, so we could build the whole thing up. Architects are doing this all the time and there are many buildings not set at right angles, like the Crooked House."

At LIGO, Hanford vacuum tubes extend for 2.5 miles at right angles across previously unused Hanford site shrub steppe land near the Tri-Cities.