The length of a rectangular wooden board is thrice its width, if the width of the board is 120 cm, find the cost of framing it at the rate of rs. 50 for 20 cm.
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2
Answer:
The length of a rectangular wooden board is thrice its width.
width of the board = 120cm
Length of the board = 120cm×3 = 360cm
Perimeter of the board = 2(l+b) = 2(120cm+360cm) = 2×480cm = 960cm
Cost of framing 20 cm = ₹50
Cost of framing 960 cm = ₹(960/20 × 50) = ₹2400
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Answered by
1
Answer:
₹2400
Step-by-step explanation:
The length of a rectangular wooden board is thrice its width.
width of the board = 120cm
Length of the board = 120cm×3 = 360cm
Perimeter of the board = 2(l+b) = 2(120cm+360cm) = 2×480cm = 960cm
Cost of framing 20 cm = ₹50
Cost of framing 960 cm = ₹(960/20 × 50) = ₹2400
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