Which best explains why this tnangle is or is not a right triangle? 144 in. 156 in. 60 in. O This triangle is not a right triangle 1562+60+ 1442. O This triangle is not a right triangle 1562+144 60 O This triangle is a right triangle en2 1562 - 1442

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### Analyzing Right Triangles

#### Question
Which **best explains** why this triangle is or is not a right triangle?

#### Diagram
A triangle is shown with the following side lengths:
- One side is 144 inches.
- The other side is 156 inches.
- The base is 60 inches.

#### Answer Options
- ⃝ This triangle is not a right triangle: \( 156^2 + 60^2 \neq 144^2 \)
- ⃝ This triangle is not a right triangle: \( 156^2 + 144^2 \neq 60^2 \)
- ⃝ This triangle is a right triangle: \( 60^2 + 144^2 = 156^2 \)

#### Instructions
- **Mark this and return** - Allows you to mark the question and return to it later.
- **Save and Exit** - Allows you to save your answer and exit the current session.
- **Next** - Moves to the next question.

#### Explanation
To determine if a triangle is a right triangle, we use the Pythagorean Theorem. The Pythagorean Theorem states that in a right triangle, the square of the length of the hypotenuse \(c\) is equal to the sum of the squares of the lengths of the other two sides \(a\) and \(b\):
\[a^2 + b^2 = c^2\]

For the given sides: 
- \( 144 \text{ in} \)
- \( 156 \text{ in} \)
- \( 60 \text{ in} \)

Calculate:
\[ 60^2 + 144^2 = 3600 + 20736 = 24336 \]
\[ 156^2 = 24336 \]

Since the sums are equal, the triangle is indeed a right triangle. 

Hence, the correct answer is:
- ⃝ This triangle is a right triangle: \( 60^2 + 144^2 = 156^2 \)

---
Transcribed Image Text:--- ### Analyzing Right Triangles #### Question Which **best explains** why this triangle is or is not a right triangle? #### Diagram A triangle is shown with the following side lengths: - One side is 144 inches. - The other side is 156 inches. - The base is 60 inches. #### Answer Options - ⃝ This triangle is not a right triangle: \( 156^2 + 60^2 \neq 144^2 \) - ⃝ This triangle is not a right triangle: \( 156^2 + 144^2 \neq 60^2 \) - ⃝ This triangle is a right triangle: \( 60^2 + 144^2 = 156^2 \) #### Instructions - **Mark this and return** - Allows you to mark the question and return to it later. - **Save and Exit** - Allows you to save your answer and exit the current session. - **Next** - Moves to the next question. #### Explanation To determine if a triangle is a right triangle, we use the Pythagorean Theorem. The Pythagorean Theorem states that in a right triangle, the square of the length of the hypotenuse \(c\) is equal to the sum of the squares of the lengths of the other two sides \(a\) and \(b\): \[a^2 + b^2 = c^2\] For the given sides: - \( 144 \text{ in} \) - \( 156 \text{ in} \) - \( 60 \text{ in} \) Calculate: \[ 60^2 + 144^2 = 3600 + 20736 = 24336 \] \[ 156^2 = 24336 \] Since the sums are equal, the triangle is indeed a right triangle. Hence, the correct answer is: - ⃝ This triangle is a right triangle: \( 60^2 + 144^2 = 156^2 \) ---
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