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Mathematics
15. Area and Perimeter of Triangle and Quadrilateral Shaped Region
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Q2 of 99 Page 267

The perimeter of any equilateral triangles is 48 cm. Let us write by calculating its area.

Given,


The perimeter of equilateral triangle = 48 cm


But perimeter of equilateral triangle = 3a


Where ‘a’ is side of equilateral triangle.


⇒ 48 = 3a


⇒ a = 16 cm


Also, we know


Area of an equilateral triangle


Area of required triangle


= 64√3 cm2


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Questions · 99
15. Area and Perimeter of Triangle and Quadrilateral Shaped Region
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