If a right triangle has a leg that is 6 ft. long and the hypotenuse is 12 ft. long, how long is the other leg? Round to the nearest tenth.(1 point)

3 answers

To find the length of the other leg in a right triangle, we can use the Pythagorean theorem, which states:

\[ a^2 + b^2 = c^2 \]

where \( c \) is the length of the hypotenuse and \( a \) and \( b \) are the lengths of the legs.

In the given triangle:

  • One leg (let's call it \( a \)) is 6 ft.
  • The hypotenuse (let's call it \( c \)) is 12 ft.
  • We need to find the length of the other leg (let's call it \( b \)).

Using the Pythagorean theorem:

\[ 6^2 + b^2 = 12^2 \]

Calculating the squares:

\[ 36 + b^2 = 144 \]

Now, subtract 36 from both sides:

\[ b^2 = 144 - 36 \] \[ b^2 = 108 \]

Now take the square root of both sides to find \( b \):

\[ b = \sqrt{108} \]

To simplify \( \sqrt{108} \):

\[ \sqrt{108} = \sqrt{36 \times 3} = 6\sqrt{3} \]

Now, we can calculate \( 6\sqrt{3} \). The approximate value of \( \sqrt{3} \) is about 1.732.

So:

\[ b \approx 6 \times 1.732 \approx 10.392 \]

Rounding to the nearest tenth:

\[ b \approx 10.4 \text{ ft} \]

Thus, the length of the other leg is approximately 10.4 ft.

Find the unknown side length in the given triangle. Round to the nearest hundredth.(1 point)

To help you find the unknown side length in a triangle, I need more specific details about the triangle in question, such as:

  1. What type of triangle is it (right triangle, acute triangle, obtuse triangle)?
  2. What information do you have (lengths of the sides, angles, etc.)?

Please provide the necessary details so I can assist you accurately!