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kolbaska11 [484]
3 years ago
6

A banner is made of a square and a semicircle. The square has side lengths of 22 inches. One side of the square is also the diam

eter of the semicircle. What is the total area of the banner? Use 3.14 for pi.
Mathematics
1 answer:
Mama L [17]3 years ago
3 0

Given:

A banner is made of a square and a semicircle.

Side lengths of the square = 22 inches

Diameter of semicircle is equal to the side length of square.

To find:

The total area of the banner.

Solution:

We know that, the area of a square is

Area=a^2

Where, a is the side length of the square.

Putting a=22, we get

A_1=(22)^2

A_1=484

So, the area of the square is 484 sq. inches.

Diameter of semicircle = Side length of square = 22 inches

Radius of semicircle = 11 inches.

The area of a semicircle is:

Area=\dfrac{1}{2}\pi r^2

Where, r is the radius of the semicircle.

Putting r=11 and \pi=3.14, we get

A_2=\dfrac{1}{2}(3.14)(11)^2

A_2=1.57(121)

A_2=189.97

So, the area of the semicircle is 189.97 sq. inches.

Now, the total area of the banner is

A=A_1+A_2

A=484+189.97

A=673.97

Therefore, the total area of the banner is 673.97 sq. inches.

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pickupchik [31]

The given statement is true.

Step-by-step explanation:

Given sets are:

D = {x|x is a whole number}

E = {x|x is a perfect square between 1 and 9}

F = {x|x is an even number greater than or equal to 2 and less than 9}

as the sets are given in set builder notation,, we will first write the sets in set notation.

So,

D = {0,1,2,3,4,...}

E = {4,9}

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Now,

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= {2,4,6,8}

Hence,

The given statement is true.

Keywords: Union,sets

Learn more about sets at:

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#LearnwithBrainly

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Guys please help as fast as possible.
jolli1 [7]

Answer:theres nothing here to answer

Step-by-step explanation:

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2 years ago
The graph below shows the total cost for lunch, c, when Will and his friends buy a large salad to share and several slices of pi
Helga [31]

Answer:

2.50 dollars.

Step-by-step explanation:

Given:

Will and his friends buy a large salad to share and several slices of pizza, p.

The graph given shows the total cost for lunch, c and slices of pizza,p.

p is marked horizontally, and c vertically.

Observing the points marked we find that for every increase of one slice of pizza, the cost i.e. c on vertical line increases by 0.50 times vertical grid.

Since each grid equals 5 dollars vertically, we find 1/2 grid increase is equal to increase of 1/2(5 ) =2.50 dollars.

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worty [1.4K]

Answer:

Pythagoras theorem states that “In a right-angled triangle, the square of the hypotenuse side is equal to the sum of squares of the other two sides“. The sides of this triangle have been named as Perpendicular, Base and Hypotenuse. Here, the hypotenuse is the longest side, as it is opposite to the angle 90°.

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2 years ago
Write a decimal subtraction problem that requires regrouping to solve. then solve the problem
Svetach [21]
For example, think about 8.4 - 2.9.

You have to regroup because you can't subract 4 - 9.
4 turns into a 14 since you borrow from the left number, 8.
8 turns into a 7 after that.
Now, you have to subtract 14 - 9 and 7 - 2. You're answer is 5.5.
You can check your work by doing inverse opperations:
By adding:
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