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Solution :

Let there be total x rows<br>
Then columns will also be x<br>
According to question<br>
x*x=2025<br>
x=45<br>
Total number of rows and columns =45 **Introduction**

**Various units of measurement of area.**

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**Find the area of a rhombus having each side equal to 13 cm and one of whose diagonals is 24 cm.**

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**

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**Height or altitude the distance between the two bases (parallel sides ) is called the height or altitude of the trapezium.**

**Area of trapezium ABCD.**