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# General

### MATHEMATICS

What formula is used to find the area of a circle? A = 0.7854 x D2 or A = pi x R2
What formula is used to find the volume of a cylinder? V = 0.7854 x D2 x H
What formula is used to find the area of a rectangle? A = L x W
What formula is used to find the volume of a rectangular solid? V = L x W x H
What formula is used to find the area of a triangle? A = (B x H) ÷ 2
What is the significance of the constant ? Pi is the ratio of the circumference to the diameter of any circle.
What is the value of the constant ? Pi = 3.1416
What is meant by the root of a number? The root of a number is one of two or more equal numbers that, when multiplied together, will produce the number.
What is the eighth power of 2? 256
What is the square root of 4,096? 64
What is meant by a negative number? A number less than 0, or a number that is preceded by a minus sign.
What is meant by a ratio and how is a ratio expressed? A fraction that compares one number to another; for example, 6:2 is a ratio.
Created by: Aima2019