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Brilliant_brown [7]
2 years ago
11

Helllp please Find the area of The following figures. Dimensions are in centimeters.

Mathematics
2 answers:
lukranit [14]2 years ago
5 0

Answer:

\huge\mathfrak\red{Answer...} \\  \\ area \: of \: square \:  = side {}^{2} \\  \\  side = \: 6 \: cm   \\  \\ area \: of \: square \:  = 6 \times 6 \\  \\ area \: of \: square \:  = 36 \: cm.sq \\  \\ area \: of \: semicircle \:  = (1 \div 2)\pi \: r {}^{2}  \\  \\ radius = 2 \: cm \\  \\ area \: of \: semicircle = 6.28 \: cm.sq \\  \\ area \: of \: whole \: figure \:  = 36 + 6.28 \\  \\ area = 42.28 \: cm.sq

AleksAgata [21]2 years ago
3 0

Answer:

Seperate the shapes!

Step-by-step explanation:

CIRCLE

First we want to find the area of the circle which would be:

\pi r^{2}

3.14159265359 x 2^{2}

3.14159265359 x 4cm

= 12.5663706144cm^{2} /2 (must divide by two because it is half of a circle)

= 6.28318530718cm^{2}

RECTANGLE/SQUARE

Find the area of the square.

AREA = L x W

Length =  2cm + ?

Width = 6cm

To find the length we must use the diameter of the circle (which is the radius but times it by 2)

To find diameter: r x 2

= 2cm x 2

= 4cm

Length = 4 + 2 = 6cm

Width = 6 cm

Area (Length x Width) = 6cm x 6cm

= 36cm^{2}

TOTAL AREA:

Just add the area of the circle and the area of the square together.

Area total = 36cm^{2} + 6.28318530718cm^{2}

= 42.2831853072cm^{2}

* Also round your total answer to the nearest tenth or hundreth if needed to do so.

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klio [65]

Answer:

7/24

Step-by-step explanation:

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5 0
3 years ago
Find the new amount of the original amount is 45 grams and the percent of decrease is 36%.
Semenov [28]

Answer:

28.8

Step-by-step explanation:

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it reduced by 36% meaning;100%-36%=64%

if45=100%

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45*64=2880/100=28.8

6 0
3 years ago
Please help me with this
Tcecarenko [31]

Answer:

808+808=1616 340+340=680  then 1616-680=976

Step-by-step explanation:

you need to add 808 plus 808 which is 1616 then add 340 plus 340 which is 680, then subtract 1616-680 which is 976.

8 0
3 years ago
The diameter of a sphere us 4 centimeters. which represents the volume of the sphere
Veronika [31]
Greetings and Happy Holidays!

The Formula for the Volume of a Sphere is: V=\frac{4}{3}\pi r^3

Input 
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V=\frac{4}{3}\pi (2)^3

Solve using the Order of Operations:
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V=\frac{4}{3}\pi \frac{8}{1}

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The Answer Is:
\boxed{V=33.510322}

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Step-by-step explanation:

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2 years ago
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