$\"\"$

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Observe the figure:

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Height of the triangle $\"\"$ .

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Base of the triangle $\"\"$ .

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Area of the triangle formula is $\"\"$ .

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$\"\"$ (Substitute $\"\"$ and $\"\"$ )

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$\"\"$ (Group of like terms)

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$\"\"$ (Apply exponents formula: $\"\"$ )

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$\"\"$ (LCM is $\"\"$ )

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$\"\"$ (Simplify)

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$\"\"$ (Definition of $\"\"$ )

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$\"\"$ .

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$\"\"$

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The area of the triangle is $\"\"$ .