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svlad2 [7]
2 years ago
13

Help me pls need help​

Mathematics
1 answer:
ruslelena [56]2 years ago
5 0

Answer:

I

Step-by-step explanation:

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Need geometry help ASAP please!
tatiyna

Answer:

1. 121 π  unit²

2. 143°

3. 151 unit²

Step-by-step explanation:

1.

Area of a circle is given by the formula  A = πr²

where

A is the area,

r is the radius of the circle

From the given diagram, we can see that the radius is 11, hence the area will be:

A=\pi r^2\\A=\pi (11)^2\\A=121\pi

The answer is  121\pi units^2

2.

The unshaded secctor and the shaded sector equals the circle. We know that circle is 360°. The unshaded sector has an angle of 217°. So the shaded part will be 360 - 217 = 143°

The measure of the central angle of the shaded sector is 143°

3.

Area of a sector is given by the formula  A=\frac{\theta}{360}*\pi r^2

Where

\theta is the central angle of the sector (in our case it is 143°)

r is the radius (which is 11)

Plugging in all the info into the formula we have:

A=\frac{\theta}{360}*\pi r^2\\A=\frac{143}{360}*\pi (11)^2\\A=150.99

<em>rounding to the nearest whole number, it is </em>151 units^2

3 0
3 years ago
Using the numbers 3, 2, and 4, which of these problems would have a solution of 4?
Alexeev081 [22]
Pemdas

ok if we look at the first one
exponents first
2^3=8
2^3=8
we have
4*8/8
4*8=32
32/8=4
das is answer


the first one is the answer
7 0
3 years ago
Can you please help me?
jekas [21]
1. is the third choice
2. is second choice
3. is fourth choice
8 0
3 years ago
Mike purchased a notebook, pen, and two pencils from the school's book fair. All notebooks are $2.98, pens are $1.75, and pencil
joja [24]

Answer:

5.48

Step-by-step explanation:

add 2.98 1.75 and 0m75

3 0
3 years ago
Read 2 more answers
Alw<br>IM<br><img src="https://tex.z-dn.net/?f=15%20%5Cdiv%20%20%5Cfrac%7B3%7D%7B5%7D%20" id="TexFormula1" title="15 \div \frac
Orlov [11]
Answer 25
Is the answer for this question
5 0
3 years ago
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