two rectangular pieces of paper strips each of length 40 cm and width 4cm are pasted at a right angle in shape of cross find the area of the cross
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Answer:
The length of Rectangle is 30cm
The breadth of rectangles 3cm
The perimeter of rectangles is
2(l+b)
2×33=66cm
For Two rectangles 2×66=132cm
The Cross section leads to decrease in Perimeter by 3×4=12cm
So the perimeter of cross section is 132−12=120cm
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Answered by
2
Answer:
2(Area of Rectangles)- Overlapped Area
Final Answer= 336
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