Definition of 'fail-safe'. Word Frequency. fail-safe also failsafe. adjective. Something that is fail-safe is designed or made in such a way that nothing dangerous can happen if a part of it goes wrong. The camera has a built-in failsafe device which prevents it from working if the right signals aren't received.
A cuboid is a 3D shape. Cuboids have six faces, which form a convex polyhedron. Simply speaking, cuboids are made from 6 rectangles, which are placed at right angles. A cuboid that uses all square faces is a cube; if the faces are rectangles, other than squares, it looks like a shoe box. Properties of a Cuboid are:
A Trapezoid is a 4-sided polygon (Quadrilateral) which has at least one pair of parallel sides. The sides of a Trapezoid that are parallel are called the bases of the trapezoid and the other two sides are called the legs or the lateral sides. The perpendicular distance from one base to the other is called the altitude of a trapezoid.