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VladimirAG [237]
3 years ago
14

Find the area of the shape

Mathematics
1 answer:
bogdanovich [222]3 years ago
6 0
First you find the area of the square which is base x height (2x2) = 4 then you find the area of a circle which is pi R squared so you were do 2÷2 because radius is half the diameter so The formula that would be 3.14x1^2 and the answer is 3.14 then you add 4+3.14 which then equals 7.14in
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What's the answer for (2+i)(i+2i)?​
slava [35]

Answer:

\boxed{ \bold{ \huge{ \boxed{ \sf{3 {i}^{2}  + 6i}}}}}

Step-by-step explanation:

\sf{(2 + i)(i + 2i)}

Use the distribute property to multiply each term of the first binomial by each term of the second binomial.

⇒\sf{2(i + 2i) + i(i + 2i)}

⇒\sf{2i + 4i +  {i}^{2}  + 2 {i}^{2} }

Collect like terms

⇒\sf{3 {i}^{2}  + 6i}

Hope I helped!

Best regards!

4 0
4 years ago
HELP PLZ<br><br> What is the shape of the following cross section????
jasenka [17]

Answer:

Triangle

Step-by-step explanation:

Look at the shape of the red part

8 0
4 years ago
Read 2 more answers
Jeremy drew a polygon with four right angles and four sides with the same length name all the polygons that he could have drawn
jeka94
Square is the only possible answer
7 0
3 years ago
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Hi!
Elina [12.6K]

Answer:

404.09x cm³ (to 5 s.f.),

where x is the unknown height of the shape.

Step-by-step explanation:

Volume of the shape

= base area × height

= (large semicircle- small semicircle) × thickness of shape

Area of circle= \pi {r}^{2}

Area of semicircle= \frac{1}{2} (\pi)( {r}^{2} )

Diameter of small circle= 14

Radius= diameter ÷2

radius= 14 ÷2

radius = 7 cm

Area of small semicircle

=  \frac{1}{2} (\pi)( {7}^{2} ) \\  =  \frac{49}{2} \pi

Radius of large semicircle

= 35 ÷2

= 17.5 cm

Area of large semicircle

= \frac{1}{2} (\pi)( {17.5}^{2} ) \\  =  \frac{1225}{8} \pi

Base area of shape

= \frac{1225}{8}\pi  -  \frac{49}{2} \pi \\  =  \frac{1029}{8} \pi

Since the height if the shape is not given, I'm afraid I cant help you find the volume.

Let the height of the shape be x cm.

Volume of shape= \frac{1029x}{8} \pi \: cm^{3}

3 0
3 years ago
I need help pleaseeeeeeeeeeeeeeeee!!!!!!!!!!!!!!!!!!!!!!!!
liq [111]

Answer:

2/12

Step-by-step explanation:

You have to divide 2/3 by 4 which is the same as multiply 2/3 with 1/4.

This will give you 2/12

3 0
2 years ago
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