clourace_21
find the area of an equilateral triangle,each whose sides is 14 cm
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clourace_21
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what
Jetly
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Thats the formula for the are...a is the side
clourace_21
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pls ineed the answer
Jetly
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its 84.87cm^2
Jetly
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Formula is (Root 3/4 )*a^2
Mertsj
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henkjan
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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
Mertsj
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