1. **Problem Statement:** Find the area of a regular hexagon with side length 10 inches.
2. **Formula:** The area $A$ of a regular polygon with $n$ sides of length $s$ can be found using the formula:
$$A = \frac{1}{2} n s a$$
where $a$ is the apothem (the perpendicular distance from the center to a side).
3. **Important Rule:** For a regular hexagon, the apothem $a$ can be found using the formula:
$$a = s \cos(\frac{\pi}{n})$$
Since $n=6$,
$$a = 10 \cos(\frac{\pi}{6}) = 10 \times \frac{\sqrt{3}}{2} = 5\sqrt{3}$$
4. **Calculate the area:**
$$A = \frac{1}{2} \times 6 \times 10 \times 5\sqrt{3} = 3 \times 10 \times 5\sqrt{3} = 150\sqrt{3}$$
5. **Check your work:**
You wrote $360 \div 6 = 60$ which is the central angle in degrees.
Then you used $10 \times 60 \times \frac{1}{2} \times 10$ which is not the correct formula for area.
6. **Correct approach:**
Area of one equilateral triangle inside the hexagon is:
$$\frac{1}{2} \times s \times a = \frac{1}{2} \times 10 \times 5\sqrt{3} = 25\sqrt{3}$$
Since there are 6 such triangles,
$$6 \times 25\sqrt{3} = 150\sqrt{3}$$
7. **Final answer:**
$$\boxed{150\sqrt{3} \text{ in}^2}$$
Your answer of 300 in² is not exact and does not use the apothem correctly. The exact area is $150\sqrt{3}$ in².
Hexagon Area 136821
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