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How to find the value of surds |
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Answer» -step explanation:Surds are numbers left in square ROOT form that are used when detailed accuracy is required in a CALCULATION. They are numbers which, when written in decimal form, would go on FOREVER. Example:This square has an area of 3 m2. Write down the exact length of the SIDE of the square.The area of the square = 3m^2The length of the side is √3 m.This answer is in surd form. It is irrational and it is said to be "in exact form". A decimal answer, such as 1.73 (2 decimal PLACES), is not exact. Even 1.732050807568877 is not exact. When an answer is required in exact form, you must write it as a surd, ideally simplifying it if possible. |
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