18. Find the length of the wooden strip required to frame a photograph of length 35 cm and breadth 25 cm. If the wooden strip costs 50 paise per centimetre, find the cost of framing the photograph.
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Answer - ₹60
Step by step explanation
The length- 35 cm
the breadth- 25 cm
the perimeter= 2×(l+b)
= 2×(35+25)
= 2×60
= 120
the cost of framing the photograph= 120× 50
= ₹6000
₹1= 100p
1p = 6000/100
1p = ₹60
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