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In Las Fotos de los Lectores de La Vanguardia we have the opportunity to review our knowledge of geometry today with this photographic visit to Santa Coloma de Marata, especially the acute angle.
Walking a section of the old route of the VÃa Augusta, between Cardedeu and Lliçà de Vall, we pass the parish church of Santa Coloma de Marata in the neighborhood of Marata (Les Franqueses del Vallès).
Our surprise was to see the astonishing acute angle (<20°) that is drawn between one of the walls of the church and the back of the manor house built next to it. The reason for this curiosity must be to respect the graves that are between them.
The church of Santa Coloma de Marata appears documented in the cartulary of Sant Cugat from 1002, also appearing in 1089 in the Libri Antiquitatum of the Bishopric of Barcelona.
A single nave with a barrel vault can be seen in two unequal planes, lower than the previous one in the presbytery, and in semicircular arches in each section. The apse is round, covered with a semicircular vault and the altar is made of stone.
Later the temple was enlarged by opening four side chapels from the 16th and 17th centuries, two on each side, covered with a groin vault that rests on pilasters.
The exterior part is basically made of crushed stone. On the façade there is a simple, semicircular ashlar arch with an opening in the shape of a Greek cross at the top. In the part of the bell tower, the façade is crowned by a tower, which must have been a belfry. It has two holes for the bells, with a semicircular arch, as well as another on the right.
In geometry, an angle is a geometric figure formed by two rays of common origin (the vertex of the angle). Angles can be classified, depending on the opening, in different ways: