The portable basketball hoop shown is made so that BA = AS = AK. The measure of ZBSK is 76°. What is mLAKB? Explain your reasoning. A S

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter6: Ratio, Proportion, And Probability
Section6.5: Similarity And Measurement
Problem 2E
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### Problem Statement

The portable basketball hoop shown in the diagram is constructed such that \( BA = AS = AK \). The measure of \( \angle BSK \) is \( 76^\circ \). Determine the measure of \( \angle AKB \). Provide your reasoning.

### Diagram Explanation

- The diagram features a basketball hoop and net setup. 
- Point \( B \) is at the top end of the pole where the backboard is attached. 
- Point \( A \) is on the hoop's post.
- Point \( S \) is on the base of the hoop vertically below point \( A \). 
- Point \( K \) is on the base, horizontally offset from point \( S \).
- Lines \( BA \) and \( AK \) are drawn such that they form a triangle \( BAK \) with point \( A \) as the vertex. 
- Line \( AS \) is a vertical line, and \( K \) lies on the base of the basketball hoop.

### Mathematical Explanation

Since \( BA = AS = AK \), triangle \( BAK \) and triangle \( ASK \) are isosceles. Given \( \angle BSK = 76^\circ \), we need to find \( \angle AKB \).

#### Step-by-Step Solution

1. First, recognize that point \( A \) is vertically aligned with point \( S \).
2. Because \( BA = AK \), triangle \( BAK \) is isosceles with \( AB = AK \). The analysis must focus on triangle properties.
3. The angles \( \angle BAK \) and \( \angle AKB \) within triangle \( BAK \) are identical because opposite sides ( \( BA \) and \( AK \) ) are equal.
4. This is also reflected in angle relations with \( \angle BSA \) and \( \angle ASK \). Given \( BA = AS = AK \), both angles \( \angle BAS \) and \( \angle ASK \) are equal.
5. Given \( \angle BSK = 76^\circ \):
   
   \[
   \angle BSA + \angle ASK = 180^\circ - 76^\circ = 104^\circ
   \]
6. Hence, \( \angle BSA = \angle ASK = 52^\circ \).
   
   Now, angle \( \angle AKB \) will
Transcribed Image Text:### Problem Statement The portable basketball hoop shown in the diagram is constructed such that \( BA = AS = AK \). The measure of \( \angle BSK \) is \( 76^\circ \). Determine the measure of \( \angle AKB \). Provide your reasoning. ### Diagram Explanation - The diagram features a basketball hoop and net setup. - Point \( B \) is at the top end of the pole where the backboard is attached. - Point \( A \) is on the hoop's post. - Point \( S \) is on the base of the hoop vertically below point \( A \). - Point \( K \) is on the base, horizontally offset from point \( S \). - Lines \( BA \) and \( AK \) are drawn such that they form a triangle \( BAK \) with point \( A \) as the vertex. - Line \( AS \) is a vertical line, and \( K \) lies on the base of the basketball hoop. ### Mathematical Explanation Since \( BA = AS = AK \), triangle \( BAK \) and triangle \( ASK \) are isosceles. Given \( \angle BSK = 76^\circ \), we need to find \( \angle AKB \). #### Step-by-Step Solution 1. First, recognize that point \( A \) is vertically aligned with point \( S \). 2. Because \( BA = AK \), triangle \( BAK \) is isosceles with \( AB = AK \). The analysis must focus on triangle properties. 3. The angles \( \angle BAK \) and \( \angle AKB \) within triangle \( BAK \) are identical because opposite sides ( \( BA \) and \( AK \) ) are equal. 4. This is also reflected in angle relations with \( \angle BSA \) and \( \angle ASK \). Given \( BA = AS = AK \), both angles \( \angle BAS \) and \( \angle ASK \) are equal. 5. Given \( \angle BSK = 76^\circ \): \[ \angle BSA + \angle ASK = 180^\circ - 76^\circ = 104^\circ \] 6. Hence, \( \angle BSA = \angle ASK = 52^\circ \). Now, angle \( \angle AKB \) will
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