ریاضیات و ارزیابی ACT - Geometry

the measure of how steep a line is, found by dividing the change in height by the change in horizontal distance

شیب, گرادیان

(geometry) a part of a circle, which is curved

قوس, کمان

a unit for measuring angles, defined by the angle made when the radius of a circle is laid along its edge

رادیان, واحد اندازه‌گیری زاویه

the length of a straight line drawn from the center of a circle to any point on its outer boundary

طول شعاع (دایره)

a straight line from one side of a round object, particularly a circle, passing through the center and joining the other side

قطر (دایره)

the total length of the external boundary of something

محیط (هندسه)

(geometry) the length of the external boundary of a curved shape, especially a circle

محیط دایره (هندسه)

the measurement of a piece of land or a flat surface

مساحت

the amount of space that a substance or object takes or the amount of space inside an object

حجم

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

زاویه

an angle measuring exactly 90 degrees

زاویه قائمه, زاویه 90 درجه

one of a pair of opposite angles made by two intersecting lines, which are always equal

زاویه عمودی, زاویه متقابل

an angle formed between two sides of a polygon that lies inside the shape

زاویه داخلی, زاویه درونی

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

زاویه حاده

pairs of angles that share a common side and vertex in a polygon or between intersecting lines

زاویه متوالی, زاویه پیوسته

(of angle) greater than 90 degrees but less than 180 degrees

(زاویه) منفرجه

a measuring instrument used to measure and draw angles

نقاله

(of lines or planes) intersecting each other at a 90 degree angle

عمودی

(geometry) a flat shape consisting of three or more straight sides

چندضلعی, چندگوش

(geometry) any flat shape with four straight sides, the opposite sides of which are equal and parallel to each other

متوازی‌الاضلاع

characterized by or resembling a tetrahedron, which has four triangular faces

چهاروجهی‌شکل

(geometry) a flat shape with four flat sides, two of which are parallel

ذوزنقه

a geometric shape with five angles and five straight sides

پنج‌ضلعی, پنج‌گوش

(geometry) a flat figure with four straight sides and four angles

چهارضلعی

(geometry) a flat shape with four equal sides in which opposite angles are equal

لوزی, متوازی‌الاضلاع

a small circle whose center moves around the circumference of a larger circle

اپی‌سیکل

a geometric curve formed by the intersection of a plane with two cones, resulting in two symmetrical branches

هذلولی

(geometry) a symmetrical open curve that is similar to the path of an object thrown into the air passes till it falls back to earth

سهمی (هندسه), شلجمی

(geometry) a closed plane curve that has two focal points

بیضی

a flat geometric shape consisting of three straight sides and one right angle

مثلث قائم‌الزاویه

a triangle in which all three interior angles are less than 90 degrees

مثلث حاد, مثلث تیز

a type of triangle with all three sides of equal length

مثلث متساوی‌الاضلاع, سه‌گوشه همسان‌بَر

a type of triangle that has all three sides of different lengths

مثلث مختلف الاضلاع

describing a triangle with at least two sides of equal length

متساوی الساقین

the longest side of a right-angled triangle, opposite the right angle, and defined as the side opposite the right angle in a right-angled triangle

وتر (در مثلث راست‌گوشه)

a three-dimensional geometric shape with two parallel circular bases connected by a curved surface at a right angle to the bases

سیلندر دایره‌ای راست

a three-dimensional geometric shape that has a rectangular base and four triangular faces that meet at a single point called the apex

هرم مستطیل, هرم با قاعدۀ مستطیل

(geometry) a lack of symmetry or equivalence in shape or size between the two sides or parts of something

نامتقارنی, بی‌تقارنی

a point where two or more lines, edges, or rays meet to form an angle, or the point at which the sides of a polygon intersect

رأس, فرق

(geometry) a straight line that joins the opposite corners of a flat shape at an angle

قطر

(in geometry) describing shapes of the same size and form

هم‌ساز, هماهنگ

the side of a geometric shape, usually the one considered as the bottom, from which the height is measured

پایه, سمت پایین

(mathematics) any of the pair of geometric figures such as lines or planes which do not meet or intersect

خط موازی

a line that divides a shape into two congruent parts

خط تقارن, محور تقارن

a series of numbers in which each term after the first is found by multiplying the previous term by a fixed, non-zero number

دنباله هندسی

the total area that the surface of a three-dimensional object occupies

مساحت سطح, سطح

(of a line) intersecting two or more other lines at different points

عرضی, تقاطع

one-fourth of a circle, formed by two perpendicular radii and the connecting arc

ربع

a straight line that a curve approaches indefinitely but never intersects, characterizing the limiting behavior of the curve

مجانب

to divide something into two equal parts

بسته‌بندی

a straight line that touches a curve or surface at exactly one point, known as the point of tangency

خط مماس

a straight line segment that connects two points on the edge of a circle

پاره خط, کوردی

(geometry) to move a shape or figure from one position to another without rotating, resizing, or otherwise altering its shape

حرکت دادن, جابه‌جا کردن