Unit 5

Question 1

Acute triangle

Answer 1

Triangle that contains only angles that are less than 90°

Question 2

Angle

Answer 2

The amount of rotation needed to bring one line or plane into coincided with another generally measured in radians or degrees

Question 3

Area

Answer 3

The number of square units required to cover surface

Question 4

Axis

Answer 4

An imaginary line through the body about which it rotates. an imaginary line about which a regular figure is symmetrically arranged. A fixed reference line for the measurement of coordinates

Question 5

Center of gravity

Answer 5

A 3-D point where the total weight of the body may be considered to be concentrated

Question 6

Centroid

Answer 6

A 3-D point Defining the geometric center of a solid

Question 7

Circle

Answer 7

A round plane figure whose boundary consists of points equidistant from the center

Question 8

Circumscribe

Answer 8

A triangle located around a polygon

Question 9

Cylinder

Answer 9

A solid comprised of two congruent circles in parallel planes their interiors and all the line segments parallel to the axis with in point on the two circles

Question 10

Density

Answer 10

The measure of mass density is a measure of mass Per volume

Question 11

Diameter

Answer 11

A straight line passing from side to side through the center of a circle or sphere

Question 12

Ellipse

Answer 12

A shape generated by a point moving any plane so that the sum of its distances from two other points is constant and equal to the major axis

Question 13

Fillet

Answer 13

A curve formed at the interior intersection between two or more surfaces

Question 14

Inscribe

Answer 14

To draw a figure within another so that their boundaries touch but do not intersect

Question 15

Mass

Answer 15

The amount of matter in an object or the quantity idea inertia of the object

Question 16

Meniscus

Answer 16

The curved Upper surface of the liquid column that is concave when the containing walls are wetted by the liquid and convex when not

Question 17

Obtuse triangle

Answer 17

A triangle with one angle that is greater than 90°

Question 18

Parallelogram

Answer 18

A four sided polygon with both pairs of opposite sides parallel

Question 19

Pi

Answer 19

The numerical value of the ratio of the circumference of the circle to its diameter

Question 20

Polygon

Answer 20

Any plane figure bound by straight lines

Question 21

Principal axes

Answer 21

The lines of intersection created from three mutually perpendicular planes

Question 22

Prism

Answer 22

A solid geometric figure whose chill in our similar equal and have Parallel rectangular figures And whose sides are parallelograms

Question 23

Quadrilateral

Answer 23

If four sided polygon

Question 24

Radius

Answer 24

A straight line from the center to the circumference of a circle

Question 25

Rectangle

Answer 25

A parallelogram with 90° angles

Question 26

Regular polygon

Answer 26

A polygon with equal angles and equal sides

Question 27

Right triangle

Answer 27

A triangle with 90° angle

Question 28

Round

Answer 28

Two or more exterior surfaces rounded at their intersections

Question 29

Square

Answer 29

A regular polygon with four equal sides and 4 90° angles

Question 30

Surface area

Answer 30

A squared dimensions of the exterior surface

Question 31

Tangent

Answer 31

A straight or curved line that intersects a circle or art at one point only

Question 32

Title block

Answer 32

A table located in the bottom right-hand corner of an engineering drawing that Identifies in a Are ghettoized way all of the necessary information that is not given on the drawing itself

Question 33

Triangle

Answer 33

Polygon with three sides

Question 34

Vertex

Answer 34

Each angular point of a polygon

Question 35

Volume

Answer 35

The amount of 3-D space occupied by object Or enclosed with in a container