Illustration that uses triangles to measure the distance across a river.

Using Triangles To Measure A River

Illustration that uses triangles to measure the distance across a river.

Illustration that uses triangles to measure the distance across a river.

Using Triangles To Measure A River

Illustration that uses triangles to measure the distance across a river.

Illustration that uses triangles to measure the distance across a river.

Using Triangles To Measure A River

Illustration that uses triangles to measure the distance across a river.