Political reformers argued that iron triangles were preventing meaningful change in the agricultural subsidy program.

Engineers sometimes use Reuleaux triangles to design drill bits that cut nearly square holes.

City planners examined the sight triangles at each intersection to ensure drivers had unobstructed views.

The biologist studied the triangle spiders hiding among the rocks.

The lab conducted several triangle tests to determine whether the new formula altered the product's flavor.

In the geometry class, the teacher explained how to calculate the area of right triangles using half the product of the legs.

In the competition, students were asked to classify acute-angled triangles by their side lengths and angles.

Marine biologists were excited to photograph red triangle slugs during the low-tide expedition.

During the night walk in the eucalyptus forest, I was surprised to find a red triangle slug gliding slowly across a damp leaf.

During the dissection, the students identified the superior carotid triangle and noted its relationship to the internal jugular vein.