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exis [7]
2 years ago
15

Challenge Yael used to have a square garage with 370 ft ^2of floor space. She recently built an

Mathematics
1 answer:
Yuki888 [10]2 years ago
3 0

Scale factor of area is the square of the scale factor of length

The required values are;

  • The length of one sides of the garage was originally approximately <u>19.2 ft.</u>
  • The length of one of the sides of the garage is now approximately <u>23.6 feet</u> long
  • The percentage increase in length is approximately <u>22.5 %</u>

Reason:

The given parameters are;

The area of the square garage = 370 ft.²

The area of the new garage has 50% more space

Required;

Part A

The initial side length

The initial side length, given to the nearest tenth, <em>s</em>, is the square root of the area, <em>A</em>, given as follows;

  • s = √(370 ft.²) ≈ 19.2 ft.

Part B

The side was increased by 50%, to give,

370 + 0.5×370 = 555

The new area of the garage = 555 ft.²

The side length of the new garage, s = √(555) ≈ 23.6

  • The side of the garage now is 23.6 ft.

Part C

The percentage increase is given as follows;

The \ percentage \  increase \ in \ length = \dfrac{New \ length - Initial \ length}{Initial \ length }

The \ percentage \  increase \ in \ length = \dfrac{\sqrt{555}  - \sqrt{370} }{\sqrt{370}  } \times  100 \approx 22.5 \%

  • The percentage increase in length of the side of the garage is approximately 22.5 %

Learn more here:

brainly.com/question/7639412

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Hi there!

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