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The perimeter of the figure is 42.25. Find the area of the figure.

The Perimeter Of The Figure Is 4225 Find The Area Of The Figure class=

Sagot :

Answer:

  area = 72.25

Step-by-step explanation:

9. Challenge

The T-shaped figure is 3 side-units wide, so the total perimeter is 10 side-units. That makes the length of a side-unit be ...

  10 × (side-unit) = 42.5

  side-unit = 42.5/10 = 4.25

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You will notice that the T-shape is composed of 4 squares, each with this side length. Then the area is ...

  A = 4 × s² = 4 × 4.25² = 72.25