数学と論理 SAT - ジオメトリ

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

スロープ

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

円弧 (ジオメトリ)

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

角度

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

ラジアン

an angle measuring exactly 90 degrees

直角

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

鋭角

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

垂直角

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

連続角度

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

ポリゴン

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

平行四辺形

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

四角形

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

双曲線

(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

放物線

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

ひし形

a geometric shape with five angles and five straight sides

五角形

(geometry) a polyhedron with four flat sides, a triangular pyramid

四面体

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

台形

a type of triangle with all three sides of equal length

正三角形

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

直角三角形

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

鋭角三角形

a type of triangle that has two sides of equal length and two angles of equal measure

二等辺三角形

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

不等辺三角形

a triangle in which one of the interior angles is greater than 90 degrees

鈍角三角形

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

四角錐

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

直円柱

a solid figure with a circular base and a vertex that is perpendicular to the center of the base

直円錐

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

周転円

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

斜辺

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

ベース

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

直径

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

半径

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

頂点

the total length of the external boundary of something

外周(形状)

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

周

the measurement of a piece of land or a flat surface

円周 (数学)

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

表面積

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

ボリューム

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

漸近

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

正接

a measuring instrument used to measure and draw angles

分度器

a line that divides a shape into two congruent parts

対称線

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

幾何級数

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

四分円

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

内角

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

楕円

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

コード

(of a straight line) joining opposite corners of a flat shape at an angle

対角線

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

一致する

having an equal distance from each other at every point

平行

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

横向きの

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

垂直

to divide something into two equal parts

両分

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

訳す

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

非対称