find the area of an equal and triangle each of whose side is 10 cm
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I am assuming that your question is about equilateral triangle.
Area of an equilateral triangle = √3/4×a² where a = side of the triangle.
a= 10 is given
area of the triangle = √3/4 x 10²
√3/4 x 100 = √3 x 25 = 43.30
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