Most worked in automotive repair and maintenance shops or at automobile dealers. The number of jobs for auto mechanics is expected to rise 17 percent from 2010 to 2020, according to the BLS.
A trapezium (as it is known in English) is a quadrilateral which is a closed plane figure with four straight sides. It has one pair of parallel sides. The other pair of sides â¦is not parallel (otherwise the figure would become a parallelogram). Ally Weber.
Concave or Convex. A convex octagon has no angles pointing inwards. More precisely, no internal angles can be more than 180Â°. When any internal angle is greater than 180Â° it is concave. (Think: concave has a cave in it). convex octagon has no angles pointing inwards. More precisely, no internal angles can be more than 180Â°. When any internal angle is greater than 180Â° it is concave. (Think: concave has a cave in it).