if a - 6 in and θ = 45degrees, find the value of c. round your answer to the nearest hundreth

1 answer

To solve for \( c \) given that \( a = 6 \) inches and \( \theta = 45^\circ \), we can use trigonometric relationships. Assuming you are referring to a right triangle where \( a \) is one leg, \( c \) is the hypotenuse, and \( \theta \) is the angle opposite leg \( a \), we can use the sine function:

\[ \sin(\theta) = \frac{a}{c} \]

Plugging in the values, we have:

\[ \sin(45^\circ) = \frac{6}{c} \]

Since \( \sin(45^\circ) = \frac{\sqrt{2}}{2} \), the equation becomes:

\[ \frac{\sqrt{2}}{2} = \frac{6}{c} \]

Now, we can solve for \( c \):

  1. Cross-multiply:

\[ \sqrt{2} \cdot c = 12 \]

  1. Divide both sides by \( \sqrt{2} \):

\[ c = \frac{12}{\sqrt{2}} \]

  1. To rationalize the denominator:

\[ c = \frac{12 \sqrt{2}}{2} = 6\sqrt{2} \]

  1. Finally, we'll calculate the value:

Using the approximation \( \sqrt{2} \approx 1.414 \):

\[ c \approx 6 \cdot 1.414 \approx 8.484 \]

Rounding to the nearest hundredth, we get:

\[ \boxed{8.48} \]

This is the value of \( c \).

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