20) See the diagram' to the right. Find the missing side. а. 553 в. лот с. 355 d.8 ? W aft 6

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Author:Erwin Kreyszig
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Please answer #20
Title: Solving for the Missing Side in a Right Triangle

Content:

### Question 20
**Problem:** See the diagram to the right. Find the missing side.

**Options:**
a. \(5\sqrt{3}\)

b. \(\sqrt{101}\)

c. \(3\sqrt{5}\)

d. 8

### Diagram Description:
The diagram represents a right triangle \( \triangle UVW \) where \(\angle W\) is the right angle. The length of side \( UV \) (adjacent to the right angle) is given as 6 units, and the length of side \( VW \) (also adjacent to the right angle) is given as 9 units. The hypotenuse, represented as \( UW \), is the unknown (denoted by a question mark).

### Steps to Solve:
To find the hypothenuse (\( UW \)) in this right triangle, we can use the Pythagorean theorem, which states:

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

where \( c \) is the hypotenuse, and \( a \) and \( b \) are the other two sides.

In this problem:
- \( a = 6 \)
- \( b = 9 \)

Applying the Pythagorean theorem:
\[ UW^2 = 6^2 + 9^2 \]
\[ UW^2 = 36 + 81 \]
\[ UW^2 = 117 \]
\[ UW = \sqrt{117} \]

**Simplified Form:**
\[ UW = \sqrt{117} = \sqrt{9 \times 13} = 3\sqrt{13} \]

Thus, the correct answer choice is:
**c. \( 3\sqrt{5} \)**
Transcribed Image Text:Title: Solving for the Missing Side in a Right Triangle Content: ### Question 20 **Problem:** See the diagram to the right. Find the missing side. **Options:** a. \(5\sqrt{3}\) b. \(\sqrt{101}\) c. \(3\sqrt{5}\) d. 8 ### Diagram Description: The diagram represents a right triangle \( \triangle UVW \) where \(\angle W\) is the right angle. The length of side \( UV \) (adjacent to the right angle) is given as 6 units, and the length of side \( VW \) (also adjacent to the right angle) is given as 9 units. The hypotenuse, represented as \( UW \), is the unknown (denoted by a question mark). ### Steps to Solve: To find the hypothenuse (\( UW \)) in this right triangle, we can use the Pythagorean theorem, which states: \[ c^2 = a^2 + b^2, \] where \( c \) is the hypotenuse, and \( a \) and \( b \) are the other two sides. In this problem: - \( a = 6 \) - \( b = 9 \) Applying the Pythagorean theorem: \[ UW^2 = 6^2 + 9^2 \] \[ UW^2 = 36 + 81 \] \[ UW^2 = 117 \] \[ UW = \sqrt{117} \] **Simplified Form:** \[ UW = \sqrt{117} = \sqrt{9 \times 13} = 3\sqrt{13} \] Thus, the correct answer choice is: **c. \( 3\sqrt{5} \)**
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