Vocabulary for IELTS Academic (Band 5) - Geometry

a figure, either hollow or solid, with six equal square sides

a shape that is wide in the middle and narrow at both ends

a shape with four equal, sloping straight sides, forming a point at the top and another at the bottom

the space between two lines or surfaces that are joined, measured in degrees or radians

a row of people or things behind each other or next to each other

(geometry) an element that only has position, with no size or dimension

a solid object with a square base and four triangular sides joined to a point on the top

(geometry) any of the two-dimensional faces of a three-dimensional figure

a shape that consists of two curved lines at the top and a V shape at the bottom

a completely round, plain shape

a shape with four equal straight sides and four right angles, each measuring 90°

anything with a curved top and parallel sides

(geometry) a shape that consists of a line alternating its direction to left and right

any half of a circle

(geometry) a curved shape or design that gradually winds around a center or axis

a line or shape that is not straight and bends gradually

an object that has a flat, round, and circular shape

one of the two halves of the Earth, separated by the equator or a meridian

a rounded projection, segment, or division, often part of a larger structure or pattern

(geometry) a flat shape with four right angles, especially one with opposing sides that are equal and parallel to each other

(geometry) a flat shape consisting of three straight sides and three angles

an angle that measures between 0 and 90 degrees, which is less than a right angle (90 degrees)

an angle that measures more than 90 degrees but less than 180 degrees

an angle measuring exactly 90 degrees

an angle that measures exactly 180 degrees, which is the same as a straight line

(geometry) an arbitrary straight line that passes through the center of a symmetrical object or around which an object spins