Evaluate 4pi*45/360

$4 π \cdot \frac{45}{360}$

Cancel the common factor of $4$ .

Factor $4$ out of $4 π$ .

$4 (π) \cdot \frac{45}{360}$

Factor $4$ out of $360$ .

$4 (π) \cdot \frac{45}{4 (90)}$

Cancel the common factor.

$4 π \cdot \frac{45}{4 \cdot 90}$

Rewrite the expression.

$π \cdot \frac{45}{90}$

$π \cdot \frac{45}{90}$

Combine $π$ and $\frac{45}{90}$ .

$\frac{π \cdot 45}{90}$

Cancel the common factor of $45$ and $90$ .

Factor $45$ out of $π \cdot 45$ .

$\frac{45 \cdot π}{90}$

Cancel the common factors.

Factor $45$ out of $90$ .

$\frac{45 \cdot π}{45 \cdot 2}$

Cancel the common factor.

$\frac{45 \cdot π}{45 \cdot 2}$

Rewrite the expression.

$\frac{π}{2}$

$\frac{π}{2}$

$\frac{π}{2}$

The result can be shown in multiple forms.

Exact Form:

$\frac{π}{2}$

Decimal Form:

$1.57079632 \dots$

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