The Area of an equilateral triangle with side 10 cm=\ cm^ 2 ( 5 sqrt 3 2 ,25 sqrt 3 ,5 sqrt 3 )
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Correct option is
A
25
3
cm
2
Formula: Are of an equilateral triangle having side length a is given by,
4
3
a
2
Here it is given that, side length ,a=10 cm
Thus its area =
4
3
×10
2
cm
2
=25
3
cm
2
Step-by-step explanation:
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