Plumbing Arithmetic 1

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Question list

The logarithm of the negative number is

Imaginary

The sum of the square of the sine and cosine of an angle

The logarithm of a number to the base (2.7182…) is called?

Naperian logarithm

The logarithm of 1 to any base is

Zero

The inverse function of a logarithm is known as

Antilogarithm

The logarithm of the reciprocal of N is called the ______ of N

Cologarithm

The point of concurrency of the angle bisector of the triangle is called

Incenter

The point of concurrency of the perpendicular bisector of the sides of the triangle

Circumcenter

The altitudes of the sides of the triangle intersect at the point known as

Orthocenter

The sum of the angle in an octant spheric triangle is

270 degree

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

Log x= ______ ln x

0.434

Ln x = _____ log x

2.303

Which of the following CANNOT be a base fo a logarithm?

Which of the following is NOT a property of a triangle?

The sum of two sides is less than the third side.

Which of the following is NOT a secondary part of a triangle?

Sides

In an isosceles right triangle, the hypotenuse is ____ times as long as each of the legs.

√2

A right triangle whose length of sides may be expressed as ratio of integral units.

Primitive triangle

The angle which the line of sight to the object makes with the horizontal is below the eye of an observer.

Angle of depression

The most proved theorem in Mathematics

Pythagorean theorem

The least proved theorem in Mathematics

Fermat’s last theorem

Napier’s rule states that the sine of any middle part is equal to the product of the _____ of the opposite parts.

Cosine

The point of concurrencyof the altitude of the triangle

Orthocenter

Napier’s rule states that the sine of any middle part is equal to the product of the ___ of the adjacent parts

Tangent

An angle equal to one revolution of 360 degree.

Perigon

The sum of the sides of a spherical triangles is always less than

360 degree

One minute of the great circle arc on the surface of the earth is equivalent to

1 nautical mile

Mil is a unit of

Angle and length

An oblique equilateral parallelogram

Rhombus

The point that is diametrically opposite the zenith is called

Nadir

The area bounded by two concentrix circles is called?

Annulus

Points that lie on the same plane are called

Coplanar

Each of the faces of a regular hexahedron is a

Square

What is the angle of ∏ and less than 2∏?

Oblique angle

Prisms are named according to their

Bases

An angular unit equivalent tp 1/4000 of the circumference of a circle is called?

Grad

If two or more lines have a single

Concurrent

The arc length equal to the radius of the corcle is called?

Radian

Apart of a circle is called?

Arc

It is a union of the chord of a circle and the intercepted arc

Segment

Solid angles are measured in

Steradians

In plane and solid geometry, what is the another term for “GON”?

Grad and Mil

A quadrilateral with no sides parallel

Trapezium

A polygon of 1000 sides is called

Chiliagon

What is another term for an parallelogram?

Rhomboid

A regular polyhedron with 6 sides is called

Hexahedron

Given the equations 3x2 + 2x - 5y + 7 = 0. Determine the curve.

Parabola

If eccentricity is less than one, the curve is?

Ellipse

What type of conic has equation of Ax^2+Cy^2+Dx+Ey+F=0?

Ellipse

Which of the following is correct?

All equilateral triangles are similar.

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