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Llana [10]
3 years ago
6

Please i need help!

Mathematics
1 answer:
inysia [295]3 years ago
3 0
I think it’s the 3rd one
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A rectangle is placed around a semicircle as shown below. The length of the rectangle is 4ft. Find the area if shaded region. us
Naya [18.7K]

Answer: Area of shaded region is 1.72 ft²

Step-by-step explanation:

Area of shaded region = area of the rectangle - area of the semi circle.

The formula for determining the area of a circle is expressed as

Area = πr²

Where

r represents the radius of the circle.

π is a constant whose value is 3.14

Since we are dealing with a semi circle, then

Area of semi circle = 1/2 × πr²

From the diagram,

Diameter = 4 ft

Radius = diameter/2 = 4/2

Radius = 2 ft

Area = 1/2 × 3.14 × 2² = 6.28 ft²

Considering the triangle,

Length = diameter = 4 ft

Width = radius = 2 ft

Area of rectangle = 4 × 2 = 8 ft²

Area of shaded region

= 8 - 6.28 = 1.72 ft²

3 0
3 years ago
If line XZ is 2ft, line YZ=18in. what is the length of line XY
Lunna [17]

Answer:

XY = 6 in


Step-by-step explanation:

XZ = 2ft = 24 in.

XY + YZ = 24 in.

XY + 18 in. = 24 in.

XY = 24 - 18 = 6 in


3 0
3 years ago
PLZ I need Help the Question is: 5+13·18+85÷17−11
dsp73

Answer:

233

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What is the solution to the equation 3 x+ 2 = -x-57<br> X=-8<br> o x=-7<br> o x=7<br> O X=8
luda_lava [24]

Answer:

x = -59/4

Step-by-step explanation:

3 x+ 2 = -x-57

Add x to each side

3 x+x+ 2 = -x+x-57

4x+2 = -57

Subtract 2 from each side

4x +2-2 = -57-2

4x = -59

Divide each side by 4

4x/4 = -59/4

x = -59/4

4 0
3 years ago
Read 2 more answers
Hector keep close tabs on his bank account. His account had a balance of -$22.80. The next day, he made a deposit of $56.60. His
valentina_108 [34]
If you add 22.80 by the deposit which is 56.60 you will get 79.04
The answer is : 79.04
5 0
3 years ago
Read 2 more answers
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