Question

we want to put a fence around a rectangle plot the fans costs $ 30 per metre . the length and width of the plot are in the ratio 4:3 the total cost of fencing comes out to be $ 1680. find the length of the plot.​

Answer 1

• perimeter of recrangle
• = 2(l×b)
• 4+3 = 7 ×2
• 14

• 1680÷ 14 = 120
• 120 × 30=

3600

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