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Question
The triangular park has to be fenced with barbed wire. Find the cost of fencing, if 1 feet of the wire costs $3.
The triangular park has to be fenced with barbed wire. Find the cost of fencing, if 1 feet of the wire costs $3.
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Solution
The correct option is A $270
Length of the fence = Perimeter of the park
= 5 + 12 + 13 = 30 yards
1 yard = 3 feet
30 yards = 3×30 = 90 feet
1 feet of wire costs 3 dollars.
90 feet of wire costs,
3×90 = $270
Length of the fence = Perimeter of the park
= 5 + 12 + 13 = 30 yards
1 yard = 3 feet
30 yards = 3×30 = 90 feet
1 feet of wire costs 3 dollars.
90 feet of wire costs,
3×90 = $270
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