Mathematics

Question 1

What formula is used to find the area of a circle?

Answer 1

A = 0.7854 x D2
or
A =п× R2

Question 2

What formula is used to find the volume of a cylinder?

Answer 2

V = 0.7854 x D2 x H.

Question 3

What formula is used to find the area of a rectangle?

Answer 3

A = Lx W

Question 4

What formula is used to find the volume of a rectangular solid?

Answer 4

V= Lx WxH

Question 5

What formula is used to find the area of a triangle?

Answer 5

A = (Bx H) ÷ 2

Question 6

What is the significance of the constant П ?

Answer 6

Pi (it) is the ratio of the circumference to the diameter of any circle.

Question 7

What is the value of the constant it?

Answer 7

П = 3.1416

Question 8

What is meant by the root of a number?

Answer 8

The root of a number is one of two or more equal numbers that, when multiplied together, will produce the number.

Question 9

What is the eighth power of 2?

Answer 9

256.

Question 10

What is the square root of 4,096?

Answer 10

64.

Question 11

What is meant by a negative number?

Answer 11

A number less than 0, or a number that is preceded by a minus sign.

Question 12

What is meant by a ratio and how is a ratio expressed?

Answer 12

A fraction that compares one number to another; for example, 6:2 is a ratio.