find the area of a rectangle whose length is (2m+5n) and breadth is (3m+4n)
Answers
Answered by
0
Answer:
[2m+5n] [3m+4n]
tgis is the answer 6m²+8mn+15mn+20n²
Answered by
3
Answer:
6m² + 23mn + 20n²
Explanation:
Length = (2m + 5n)
Breadth = (3m + 4n)
Area = Length × Breadth
=> (2m + 5n)(3m + 4n)
=> 2m(3m) + 2m(4n) + 5n(3m) + 5n(4n)
=> 6m² + 8mn + 15nm + 20n²
=> 6m² + 23mn + 20n²
∴ Area of the rectangle is 6m² + 23mn + 20n².
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