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attashe74 [19]
2 years ago
11

Find the area of the shaded region. Round your answer to the nearest hundredth.

Mathematics
1 answer:
PilotLPTM [1.2K]2 years ago
4 0

Answer:

4.56

Step-by-step explanation:

i see a sector hosting 2 semi circles.

this sector area will be .25 of area of circle with radius 4ft.

area of sector = .25*π*16= 4π ft^2

area of semi circle of radius 2ft = .5π*4= 2πft^2

area of 2 semicircles = 4π

the total area of sector = area of 2 semicircles - intersection area + area not covered by semi circles

4π = 4π - intersection area+area not covered by semi circles

intersection area = area not covered by semi circles

now draw a square starting from the intersection point of 2 semi circles at their upper portion. the side will be 2ft

the area of intersection will be covered in the square.

area of intersection = 2*quarter area of circle of radius 2ft - area of square

= 2*(.25π4) - 4

2π-4 = 2.28

area of intersection = area not covered by semicircle

so area of shaded region = 4.56

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Simplify an expression for the perimeter of the rectangle shown.
Zanzabum

The perimeter of the rectangle is P = (17.2x₊16.4).

Given that,

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Width, b = 5.2

In the formula P=2l+2w, where l is the rectangle's length and w is its width, the perimeter P of a rectangle is determined. Using the formula A=l×w, where l is the length and w is the width, we can determine the area A of a rectangle.

We need to find the expression for the perimeter of the rectangle. The formula for the perimeter of the rectangle is given by :

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Putting values of l and b in the above formula:

p = 2(8.6x ₊ 3 ₊ 5.2)

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Learn more about Area Perimeter here:

brainly.com/question/25292087

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