Prachi wants to frame 20pictures each with length 40 cm and breadth 30 cm.what length of wooden strip she needs to make the frames
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Answer:
2800cm
Step-by-step explanation:
Length=40cm
Breadth=30cm
Length of wooden strip she needs to frame 1 picture
=perimeter of picture frame
=2(l+b)unit
=2(40+30)cm
=2*70cm
=140cm
Length of wooden strip needed to frame 20 pictures
=20*140cm
=2800cm
Therefore, she needs 2800cm wooden strip
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