Mathematics Fundamentals Quiz

<p>Abstractions from nature or entities stipulated to have certain properties</p> Signup and view all the answers

<p>Entities that are stipulated to have certain properties</p> Signup and view all the answers

<p>The word 'quadrilateral' is derived from the Latin words quadri, a variant of four, and latus, meaning 'side'. It is also called a tetragon, derived from Greek 'tetra' meaning 'four' and 'gon' meaning 'corner' or 'angle'.</p> Signup and view all the answers

<p>The interior angles of a simple (and planar) quadrilateral ABCD add up to 360 degrees of arc, that is $∠ A + ∠ B + ∠ C + ∠ D = 360^{\circ }$.</p> Signup and view all the answers

<p>A quadrilateral with vertices A, B, C, and D is sometimes denoted as $◻ ABCD$.</p> Signup and view all the answers

<p>Quadrilaterals are either simple (not self-intersecting) or complex (self-intersecting, or crossed). Simple quadrilaterals are either convex or concave.</p> Signup and view all the answers

<p>It is also called a quadrangle, or 4-angle, since 'gon' means 'angle', in analogy to other polygons (e.g. pentagon).</p> Signup and view all the answers