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mariarad [96]
1 year ago
14

To calculate the area of this shape, you would identify the known figures and add their individual areas together.

Mathematics
1 answer:
DochEvi [55]1 year ago
3 0

When calculating the total area of this unknown figure, you should use (π - r²)/4 for the area of both the semicircle (half circle) and the larger square.

<h3>How to determine the total area?</h3>

By critically observing this unknown figure, we can logically deduce that it comprises a semicircle, squares, a rectangle and a triangle. Thus, its total area should be calculated by adding the area of each of the geometric figures together.

Total area = A₁ + A₂ + A₃ + A₄

However, you should take note that the diameter of the semicircle (half circle) is equal to the side length of the larger square.

Area of a semicircle = πr²/4

Thus, the total area of both the semicircle (half circle) and the larger square is given by:

Area = πr²/4 - d²

<u>Note:</u> d = 2r

Area = πr²/4 - (2r)²

Area = πr²/4 - 4r²

Area = (π - r²)/4 sq. units.

Read more on area of square here: brainly.com/question/8902873

#SPJ1

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Answer:

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Step-by-step explanation:

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2 years ago
3/7 of students at a school are boys . If there are 2282 students at the school. How many are girls .
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7 0
3 years ago
Cody was 165 cm tall on the first day of school this year which was 10%taller rhan he was on the first day of last scjool year.h
Mice21 [21]
165-16.5=148.5 cm is the answer for this question
3 0
3 years ago
Read 2 more answers
the dimensions of a square are altered so that 8 inches is added to one side while 3 inches is subtracted from the other. The ar
Mashutka [201]
Let
x--------> original length side of a square

we know that
area rectangle=length*width
area=126 in²
length=(x+8)
width=(x-3)
so
126=(x+8)*(x-3)------> x²-3x+8x-24=126----> x²+5x-150=0

using  a graph tool------> to resolve the second order equation
see the attached figure
the solution is
x=10 in

the answer is
the original length side of a square is 10 in

4 0
3 years ago
How much salt should Ilya add to 810g of water to make 10% solution? How much solution will he make?
cestrela7 [59]
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1/10 = x / (810 + x)

10x = 810 + x

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x = 90 g salt 


mass of solution = mass of water + mass of salt

ms = mw + m salt

ms = 810 + 90

ms = 900 g of solution
6 0
3 years ago
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