ARCA-SWISS started producing professional cameras in the early fifties. The new Swiss All-Round-CAmeras, ARCA-SWISS, rapidly gained an excellent reputation based on. their precision and handling in practical situations. The first large-format reflex cameras, 6x9cm and. 4x5 appeared in 1960 and were the rage of Photokina.
3. Vertices is another word for angles. A triangle has three sides and therefore three vertices, or angles.    Vertices are corners, so a triangle has three corners, th â¦ us three vertices.    3   Vertices is another term for angles. three    3; a vertice is where the two lines intersect    A triangle has 3 vertices. It also has three angles and sides.
All the sides and all the angles are equal, so these two triangles are congruent. If two figures are congruent, then their corresponding parts are congruent. Let's look at the corresponding parts of triangles ABC and DFE. A triangle has three sides and three angles. If two triangles are congruent, then the sides and angles that match are called corresponding parts.