Question

Find the square root of the following by long division method
a) 6724

Answer 1

82.

Explanation:

8 2 <----------- square root

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8 | 67, 24 . 00,00 (mark the number off in pairs from dec. point)

| 64 (8*8 = 64)

162 | 324 ( Subtract 67 - 64 = 3 then bring down the 24)

324 (8 *2 = 16 and 324 = 2 * 162)

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