Find the area of each figure:
An equilateral triangle with perimeter.18
The area of given figure is square units.
Let the common sides be x
We know that in equilateral triangle all three sides are equal in length.
The perimeter of equilateral triangle18, which means the sum of all three sides will be equal to 18
Thus, the sides of triangle are
Area of an equilateral triangle can be found using the formula
a=The sides of triangle.
Therefore, the area of given figure is square units.
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