What are 26 geometrical terms from A to Z together with their meanings?

Answer 1

Angles are classed as acute, right, obtuse and reflex

Base angles of an isosceles triangle are equal

Circumference of a circle is its perimeter

Diameter of a circle is twice its radius

Equilateral triangle has 3 equal sides

Forty-five degrees is an acute angle which is greater than 0 but less than 90 degrees

Geometry is derived from a Greek word meaning land or earth measurement

Heptagon is the same as a septagon meaning 7 sides

Interior angles of any polygon: (n-2)×180° where 'n' is number of sides

Joined line segments create angles and polygons

Kite is a 4 sided shape

Line segments have endpoints and a midpoint

Multi-faced solids are polyhedrons

Nonagon is a 9 sided shape

Obtuse angle is greater than 90 but less than 180 degrees

Perpendicular lines meet at right angles

Quadrilaterals are 4 sided shapes

Right angle is 90 degrees and a reflex angle is greater than 180 degrees

Square is a regular quadrilateral

Triangle has 3 sides and 3 interior angles that add up to 180 degrees

Undecagon is an 11 sided shape

Vertical opposite equal angles are created when lines cross such as X

Width times breadth is the area of a rectangle

X-axis is the horizontal number line on the Cartesian plane

Y-axis is the vertical number line on the Cartesian plane

Z as a letter has equal alternate angles