Trigonometry Examples

$A = \frac{1}{2} {(12.5)}^{2} \frac{π}{13}$

Step 1

Remove parentheses.

$A = \frac{1}{2} \cdot ({12.5}^{2} (\frac{π}{13}))$

Step 2

Remove parentheses.

$A = \frac{1}{2} \cdot ({(12.5)}^{2} (\frac{π}{13}))$

Step 3

Simplify $\frac{1}{2} \cdot ({(12.5)}^{2} (\frac{π}{13}))$ .

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Step 3.1

Raise $12.5$ to the power of $2$ .

$A = \frac{1}{2} \cdot (156.25 \frac{π}{13})$

Step 3.2

Multiply $156.25 \frac{π}{13}$ .

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Step 3.2.1

Combine $156.25$ and $\frac{π}{13}$ .

$A = \frac{1}{2} \cdot \frac{156.25 π}{13}$

Step 3.2.2

Multiply $156.25$ by $π$ .

$A = \frac{1}{2} \cdot \frac{490.87385212}{13}$

Step 3.3

Divide $490.87385212$ by $13$ .

$A = \frac{1}{2} \cdot 37.75952708$

Step 3.4

Combine $\frac{1}{2}$ and $37.75952708$ .

$A = \frac{37.75952708}{2}$

Step 3.5

Divide $37.75952708$ by $2$ .

$A = 18.87976354$