perimeter of an equilateral triangle is 60m . the area of the triangle is. a). 10 root 3 metre square b). 15 root 3 metre square c). 20 root 3 metre square d). hundred root 3 metre square
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Answer:
option D
Step-by-step explanation:
Perimeter of triangle is 60m
Let the side of equilateral triangle be x
Therefore
x + x + x = 60
3x = 60
x = 20m
Side of equilateral triangle is 20m
Area of equilateral triangle
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