問題一覧
1
The logarithm of the negative number is
Imaginary
2
The sum of the square of the sine and cosine of an angle
1
3
The logarithm of a number to the base (2.7182…) is called?
Naperian logarithm
4
The logarithm of 1 to any base is
Zero
5
The inverse function of a logarithm is known as
Antilogarithm
6
The logarithm of the reciprocal of N is called the ______ of N
Cologarithm
7
The point of concurrency of the angle bisector of the triangle is called
Incenter
8
The point of concurrency of the perpendicular bisector of the sides of the triangle
Circumcenter
9
The altitudes of the sides of the triangle intersect at the point known as
Orthocenter
10
The sum of the angle in an octant spheric triangle is
270 degree
11
The angle which the line of sight to the object makes with the horizontal which is above the eye of the observer is called
Angle of elevation
12
Log x= ______ ln x
0.434
13
Ln x = _____ log x
2.303
14
Which of the following CANNOT be a base fo a logarithm?
1
15
Which of the following is NOT a property of a triangle?
The sum of two sides is less than the third side.
16
Which of the following is NOT a secondary part of a triangle?
Sides
17
In an isosceles right triangle, the hypotenuse is ____ times as long as each of the legs.
√2
18
A right triangle whose length of sides may be expressed as ratio of integral units.
Primitive triangle
19
The angle which the line of sight to the object makes with the horizontal is below the eye of an observer.
Angle of depression
20
The most proved theorem in Mathematics
Pythagorean theorem
21
The least proved theorem in Mathematics
Fermat’s last theorem
22
Napier’s rule states that the sine of any middle part is equal to the product of the _____ of the opposite parts.
Cosine
23
The point of concurrencyof the altitude of the triangle
Orthocenter
24
Napier’s rule states that the sine of any middle part is equal to the product of the ___ of the adjacent parts
Tangent
25
An angle equal to one revolution of 360 degree.
Perigon
26
The sum of the sides of a spherical triangles is always less than
360 degree
27
One minute of the great circle arc on the surface of the earth is equivalent to
1 nautical mile
28
Mil is a unit of
Angle and length
29
An oblique equilateral parallelogram
Rhombus
30
The point that is diametrically opposite the zenith is called
Nadir
31
The area bounded by two concentrix circles is called?
Annulus
32
Points that lie on the same plane are called
Coplanar
33
Each of the faces of a regular hexahedron is a
Square
34
What is the angle of ∏ and less than 2∏?
Oblique angle
35
Prisms are named according to their
Bases
36
An angular unit equivalent tp 1/4000 of the circumference of a circle is called?
Grad
37
If two or more lines have a single
Concurrent
38
The arc length equal to the radius of the corcle is called?
Radian
39
Apart of a circle is called?
Arc
40
It is a union of the chord of a circle and the intercepted arc
Segment
41
Solid angles are measured in
Steradians
42
In plane and solid geometry, what is the another term for “GON”?
Grad and Mil
43
A quadrilateral with no sides parallel
Trapezium
44
A polygon of 1000 sides is called
Chiliagon
45
What is another term for an parallelogram?
Rhomboid
46
A regular polyhedron with 6 sides is called
Hexahedron
47
Given the equations 3x2 + 2x - 5y + 7 = 0. Determine the curve.
Parabola
48
If eccentricity is less than one, the curve is?
Ellipse
49
What type of conic has equation of Ax^2+Cy^2+Dx+Ey+F=0?
Ellipse
50
Which of the following is correct?
All equilateral triangles are similar.