Interior angles in a triangle add up to 180˚. Triangles close triangleA polygon with three straight sides. have three sides, therefore they have three angles. Interior angles in a triangle sum to ...

The methods of triangulation which we used to measure the width of the lecture theatre can be used for much larger distances. Accurate maps and the elevations of mountains such as Everest are ...

Set squares are drawing instruments used to create vertical, horizontal, and diagonal lines as well as certain angles. They may be shaped as squares, Ls, or triangles, although in American usage set ...

It’s a method called triangulation, which requires knowing the distance between two points on the ground, and the angle between both of those points and the peak of the mountain. The height of ...