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iren [92.7K]
2 years ago
15

Solve this problem using the Pythagorean Theorem. An extension ladder with 3 five-foot extensions is leaned against a wall with

the base of the ladder 5 feet from the base of the wall. How high on the wall does the top of the ladder sit?​
Mathematics
1 answer:
Mila [183]2 years ago
4 0

<u>Given </u><u>:</u><u>-</u><u> </u>

  • An extension ladder with 3 five-foot extensions is leaned against a wall with the base of the ladder 5 feet from the base of the wall.

<u>To </u><u>find</u><u> </u><u>:</u><u>-</u>

  • How high on the wall does the top of the ladder sit?

<u>Solution</u><u> </u><u>:</u><u>-</u><u> </u>

Using Pythagoras Theorem ,

  • 5² = 3² + h²
  • 25 = 9 + h ²
  • h² = 25 - 9
  • h ²= 16
  • h =√16
  • h = ±4
  • h = 4
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Option c. is the correct answer.

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While,

Option a. is inaccurate. As, the cause of the variance can vary, depending on factors like changes in delivery costs, market costs, production techniques, the use of subpar materials, seasonal factors, or even a simple mistake. Therefore, additional research and subsequent actions are needed to identify the cause of the variance. The cause of a variance cannot be identified by the variance itself.

Option b. is inaccurate. A variance only shows the discrepancy between the anticipated and actual amounts. It makes no mention of who is to blame for the deviation.

Option d. is inaccurate. After variances are identified, one of the most important steps is to investigate them. When actual performances significantly deviate from anticipated outcomes, variations are typically investigated.

Find more on Variance at : brainly.com/question/13287252

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