the perimeter of an equalateral triangle is 60cm find its area and height
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Area of equilateral Triangle = √3 / 4 ×a²
and
perimeter of equilateral triangle = 3a
where , a i s the side of triangle.
Here,
perimeter = 60 cm
=> 3a = 60 cm
=> a = 20 cm
Now,
the Area of triangle = √3 / 4 * (20)²
=> 400 √3 / 4
=> 100 √3 cm² Answer
and
perimeter of equilateral triangle = 3a
where , a i s the side of triangle.
Here,
perimeter = 60 cm
=> 3a = 60 cm
=> a = 20 cm
Now,
the Area of triangle = √3 / 4 * (20)²
=> 400 √3 / 4
=> 100 √3 cm² Answer
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