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clourace_21

  • 4 years ago

find the area of an equilateral triangle,each whose sides is 14 cm

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  1. clourace_21
    • 4 years ago
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    what

  2. Jetly
    • 4 years ago
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    Thats the formula for the are...a is the side

  3. clourace_21
    • 4 years ago
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    pls ineed the answer

  4. Jetly
    • 4 years ago
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    its 84.87cm^2

  5. Jetly
    • 4 years ago
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    Formula is (Root 3/4 )*a^2

  6. Mertsj
    • 4 years ago
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    |dw:1326719604969:dw|

  7. henkjan
    • 4 years ago
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    An equilateral triangle has 3 sides of same length and 3 angles of 60 degrees. Using the formula: Area = 0.5 * base*height Now we just need to calculate height. This is 14*sin(60) Jetly's answer of 84.87 is the answer

  8. Mertsj
    • 4 years ago
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    |dw:1326719767085:dw|

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