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An equilateral triangle has a perimeter of 24. What is the a
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02 Jul 2019, 16:54
02 Jul 2019, 16:54
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Question Stats:
60% (00:45) correct
40% (00:57) wrong based on 5 sessions
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An equilateral triangle has a perimeter of 24. What is the area of this triangle?
A. \(16\)
B. \(16 \sqrt{3}\)
C. \(24 \sqrt{3}\)
D. \(48\)
E. \(32 \sqrt{3}\)
A. \(16\)
B. \(16 \sqrt{3}\)
C. \(24 \sqrt{3}\)
D. \(48\)
E. \(32 \sqrt{3}\)
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Re: An equilateral triangle has a perimeter of 24. What is the a
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03 Jul 2019, 04:55
03 Jul 2019, 04:55
1
Expert Reply
Carcass wrote:
An equilateral triangle has a perimeter of 24. What is the area of this triangle?
A. \(16\)
B. \(16 \sqrt{3}\)
C. \(24 \sqrt{3}\)
D. \(48\)
E. \(32 \sqrt{3}\)
A. \(16\)
B. \(16 \sqrt{3}\)
C. \(24 \sqrt{3}\)
D. \(48\)
E. \(32 \sqrt{3}\)
There is a formula for this! Area of an equilateral triangle = (s² x √3) / 4.
This makes sense when you consider that the triangle area formula is ½ x b x h and that the height of an equilateral triangle is ½ x s x √3.
So in this case ½ x 8√3 x ½ x 8 = 16√3, select Choice B.
gmatclubot
Re: An equilateral triangle has a perimeter of 24. What is the a [#permalink]
03 Jul 2019, 04:55
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