find out the area of equilateral triangle, with side a
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Step-by-step explanation:
Area of equilateral triangle= 1/2 × a × b × sin(angle)
All angles and sides are equal in an equikateral triangle, so
=> 1/2 × a × a × sin(60)
=> 1/2 × a^2 × √3/2
=> √3/4 × a^2
Add the unit if it's mentioned
(must be in terms of a)
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