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Taya2010 [7]
3 years ago
12

Can someone pls help me with this math puzzle game gonna give out brainiest pls help its very hard

Mathematics
1 answer:
qwelly [4]3 years ago
5 0
I cant see the other questions take another pic
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The diagram above shows a rectangle inscribed in a circle AB=10 and AC =12 caculate the total surface area of the shaded part
erastova [34]

Answer:

71.63 \: \: \mathrm{cm^2 }

Step-by-step explanation:

Once we know the diameter of the circle, we can figure out the problem.

The diameter of the circle = The diagonal of the rectangle inscribed in the circle

To find the diagonal of the rectangle, we can use a formula.

d=\sqrt{w^2 + l^2}

The width is 10 cm and the length is 12 cm.

d=\sqrt{10^2 + 12^2}

d \approx 15.62

The diagonal of the rectangle inscribed in the circle is 15.62 cm.

The diameter of the circle is 15.62 cm.

Find the area of the whole circle.

A=\pi r^2

The r is the radius of the circle, to find radius from diameter we can divide the value by 2.

r = \frac{d}{2}

r=\frac{15.62}{2}

r=7.81

Let’s find the area now.

A=\pi (7.81)^2

A \approx 191.625

Find the area of rectangle.

A=lw

Length × Width.

A = 12 \times 10

A=120

Subtract the area of the whole circle with the area of rectangle to find area of shaded part.

191.625-120

71.625 \approx 71.63

5 0
3 years ago
Help me with this Please.
sukhopar [10]
35
the ratio for the two is 5:7 and you want to find _:49. to get from 7 to 49 you multiply the 7 by 7. because you did that to one side you have to do the same to the other and multiply 5 by 7 which gives you 35
6 0
2 years ago
A diagram shows a kite and its frame.
kati45 [8]

Answer:

indeed it does

Step-by-step explanation:

wheres the diagram exactly?

7 0
3 years ago
Nine cupcakes are what part of a dozen
Snezhnost [94]
They are a part of 2 dozen
4 0
3 years ago
Find an equation for the nth term of the arithmetic sequence.
vekshin1
The answer is the second answer choice, an = -13 + 5(n - 1)
5 0
3 years ago
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