几何 Flashcards by matilda wang

Q

isosceles

A

等腰三角形

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Q

inscribe

A

内切

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Q

circumference

A

周长

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Q

diameter

A

直径

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Q

parallelogram

A

平行四边形

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Q

geometry

A

[dʒɪ’ɒmɪtrɪ]

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Q

quadrilateral

A

[,kwɒdrɪ’læt(ə)r(ə)l]

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Q

line segment

A

线段；定点是 end points

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Q

opposit angle; vertical angle

A

对顶角

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Q

right angle

A

直角

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Q

acute angle

A

锐角

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Q

obtuse angle [əb’tjuːs]

A

钝角

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Q

parallel lines

A

平行线

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Q

polygon

A

多边形

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Q

vertice

A

顶点

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Q

pentagon

A

五边形

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Q

hexagon

A

六边形

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Q

regular polygon

A

正多边形

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Q

octagon

A

八边形

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Q

perimeter

A

周长

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Q

area

A

面积

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Q

equilateral triangle

A

等边三角形

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Q

isosceles [aɪ’sɒsɪliːz] triangle

A

等腰三角形

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Q

hypotenuse

A

直角三角形的斜边

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Q

leg

A

直角三角形的股

Q

pythagoras theorem

A

勾股定理

Q

congruent triangle

A

全等三角形

Q

similar triangle

A

相似三角形

Q

rectangle

A

长方形

Q

square

A

正方形

Q

trapezoid

A

梯形

Q

梯形面积怎么求？平行四边形面积怎么求？

A

自己脑补去吧

Q

radius

A

半径

Q

diameter

A

直径

Q

chord

A

弦

Q

圆的周长公式？

A

C=2πr

Q

arc

A

弧请注意弧和弦的区别

Q

tangent

A

切线

Q

point of tangency

A

切点

Q

inscribed

A

内切的

Q

circumscribed

A

外接的

Q

concentric circle

A

同心圆

Q

three-dimensional figure

A

三维图形

Q

rectangular solid

A

长方体

Q

face； edge；vertex

A

长方体上面的点线面

Q

cube

A

立方体

Q

volume

A

体积

Q

surface area

A

表面积

Q

cylinder

A

圆柱

Q

circular cylinder

A

圆柱体

Q

lateral surface

A

侧面

Q

right circular cylinder

A

直圆柱体

Q

圆柱体的体积怎么求

A

地面积*高

Q

supplementary angle

A

补角两个角加起来有180

Q

complementary angle

A

余角两个角加起来是90

Q

transversal

A

两直线的截线

Q

interior angle; exterior angle

A

内角和外角

Q

正方形的面积？

A

对角线平方的一半

Q

菱形性质？

A

四条边相等面积等于对角线乘积的一半；对角线垂直平分

Q

intercept

A

截距

Q

tangent

A

adj 相切的