CBSE Class 8 Answered
Find the square of the number 89 by visual method.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
Number is 89.
Thus, we have 89 = 80 + 9
We will now draw a square of 89 units and divide it into 4 parts as below:
Hence, (89)2 = 6400 + 720 + 720 + 81 = 7921
Answered by | 04 Jun, 2014, 03:23: PM
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