1. Draw a coordinate plane.

2. Use the origin as vertex *M* of the triangle *MNP*.

3. Place the base of the triangle along the positive *x*- axis.

4. Position the triangle in the first quadrant.

5. Since *N* is on the *x*-axis, its *y*-coordinate is 0.

Its *x*-coordinate is 2*a* because each side has length 2*a* units.

6. Triangle *MNP* is an equilateral triangle, so the *x*-coordinate of *P *is halfway between 0 and

2*a* that is .

7.Since is an equilateral triangle, *y*-coordinate of *E* is 2*a* units.

The graph is

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