Unit 5

Question 1

According to Spencer, “A ____ represents a location in space or on a
drawing. It has no with, height or depth.”

Answer 1

Point

Question 2

is the path of a moving point. A range has only one dimension – the
length. If the line has no precise length, it is an indefinite line bar . If the
endpoints are definite, the end is marked using a small cross.

Question 3

Kind of lines

Answer 3

Straight line
Curved line
Mixed line

Question 4

is a figure formed by two intersecting lines

Answer 4

Angle

Question 5

6 Kind of angles

Answer 5

Right Angle
Acute angle
Straight angle
Obtuse angle
Reflex angle
Supplementary angle

Question 6

It is an angle which is neither a right angle nor a straight angle.

Answer 6

Obtuse angle

Question 7

is a closed plane figure bounded by three straight lines, not in
the same direction, and the sum of the interior angle is 180 degrees

Answer 7

Triangle

Question 8

Kind of Triangles by sides

Answer 8

Equilateral triangles
Isosceles triangles
Scalene triangles

Question 9

Triangles by angles

Answer 9

Right triangle
Obtuse triangle
Acute triangle

Question 10

is polygon bounded by four sides. If
the opposite sides are parallel and equal, it is called a parallelogram.

Answer 10

Quadrilateral

Question 11

Types of Quadrilateral?

Answer 11

Trapizoid
Trapezium

Question 12

is a quadrilateral with both pairs of opposite sides parallel.

Answer 12

Parallelogram

Question 13

Types of Parallelogram

Answer 13

Square
Rectangle
Rhombus
Rhomboid

Question 14

A closed plane figure bounded by straight lines. If the sides and angles
of the polygon are equal, they are called regular polygons, and they can be inscribed in
or circumscribed around the circle.

Answer 14

Polygon

Question 15

A closed plane curve containing all points of which have the same distance
from a fixed point within called center.

Answer 15

Circle

Question 16

Is a geometric figure having three dimensions. It is bounded by planes
surfaces, while some are bounded with curve surfaces.

Answer 16

Solid

Question 17

The shortest distance between two points. It is a line no part of
which is the curve.

Answer 17

Straight line

Question 18

A line which no part is straight. This line continually
changes its direction. A ___or a ___ may enclose a portion of a
plane, but a straight line cannot.

Answer 18

Curve line

Question 19

They are lines which are composed of broken lines and curve
lines

Answer 19

Mix line

Question 20

These lines are straight, or curved lines may be identical if the distance
between them remains constant,

Answer 20

Parallel line

Question 21

These lines make the right angle with one another. To indicate
the perpendicularity of lines in sketching they may mark with a box. The perpendicular
lines form 90 degrees

Answer 21

Perpendicular line

Question 22

It is an angle formed by two
lines extending in the opposite direction from
the vertex to form a straight line. A straight line
is eaual to 180°.

Answer 22

Straight angle

Question 23

It is an angle which is less than
90°.

Answer 23

Acute angle

Question 24

A kind of angle which is greater
than 90° but smaller that straight angle.

Answer 24

Obtuse angle

Question 25

If its measure is more 180°, but less than 360°.

Answer 25

Reflex angle

Question 26

These are angles whose sum is equal to 180°.

Answer 26

Suplementary angle

Question 27

is a triangle with three equal sides.

Answer 27

Equilateral Triangle

Question 28

is a triangle with two sides equal and two angles similar. The two equal sides are the legs, and the third is the base.

Answer 28

Isosceles Triangle

Question 29

has neither side nor angle is equal.

Answer 29

Scalene Triangle

Question 30

is a quadrilateral with only one pair of sides parallel. The legs of a trapezoid are the non-parallel sides.

Answer 30

Trapezoid

Question 31

is a quadrilateral with no sides parallel.

Answer 31

Trapezium

Question 32

is a parallelogram with both pairs of opposite sides parallel.

Answer 32

Square

Question 33

is a parallelogram having four sides equal and four right angle.

Answer 33

Rectangle

Question 34

a parallelogram having four sides equal and four right angle.

Answer 34

Rhombus

Question 35

is a parallelogram with opposite sides parallel but with no right angle.

Answer 35

Rhomboid

Question 36

a polygon of 5 sides

Answer 36

Pentagon

Question 37

a polygon of 6 sides

Answer 37

Hexagon

Question 38

a polygon of 7 sides

Answer 38

Heptagon

Question 39

a polygon of 8 sides

Answer 39

Octagon

Question 40

a polygon of 9 sides

Answer 40

Nonagon

Question 41

a polygon of 10 sides

Answer 41

Decagon

Question 42

a polygon of 11 sides

Answer 42

Hendecagon

Question 43

a polygon of 12 sides

Answer 43

Dodecagon

Question 44

is the distance around the circle

Answer 44

Circumference

Question 45

is any part of the circle between two of its points.

Answer 45

Arc

Question 46

is a straight line drawn from the center to any point on a circle.

Answer 46

Radius

Question 47

is a straight line drawn through the center of a circle.

Answer 47

Diameter

Question 48

is a chord extended so that it intersects the circle. It is the infinite line extension of a chord.

Answer 48

Secant

Question 49

is an angle whose vertex is at the center of the circle and whose sides are the radii.

Answer 49

Central angle

Question 50

is a straight line having one point in common with the circle.

Answer 50

Tangent

Question 51

an arc equal to one-half of the circle. It contains 180 degrees.

Answer 51

Semi-cricle

Question 52

is an arc of 90 degrees. It is equal to one-fourth of the circle.

Answer 52

Quadrant

Question 53

is a part of a figure cut off by a line or plane intersecting it, in particular.

Answer 53

Segment

Question 54

is a straight-line segment whose endpoints both lie on the circle

Answer 54

Chord

Question 55

is a "pie-slice" part of a circle -the area between two radiuses and the connecting arc of a circle.

Answer 55

Sector

Question 56

it has two bases, which are parallel polygons and three or more lateral surfaces, which are parallelograms.

Answer 56

Prism

Question 57

has polygon for its base, and the triangular lateral surfaces are intersecting at a common point called the vertex.

Answer 57

Pyramid

Question 58

a solid generated by a straight line called the generatrix moving in contact with a curved line and always remain parallel to its previous position to the axis.

Answer 58

Cylinder

Question 59

a solid generated by a circle revolving about one of its diameters.

Answer 59

Spheres

Question 60

-a solid generated by a circle (or another curve revolving about an axis which is eccentric to the curve).

Answer 60

Torus

Question 61

The plane cuts the cone perpendicular to the axis.

Answer 61

Circle

Question 62

The plane cuts cone oblique to the axis gut making a greater angle

Answer 62

Ellipse

Question 63

The plane cuts cone obliquely to the axis and making the same angle with the axis

Answer 63

Parabola

Question 64

The plane cuts cone, making a smaller angle with the axis.

Answer 64

Hyperbola