What is the area of a circle with a radius of 21 cm?
Group of answer choices
4348.08 cm2

1289.12 cm2

1384.74 cm2

Answer:

c

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

Answer:

Triangle:

In order for you to solve all of them you need to multiply the base times the height then divide that in half.

example answer;

3 is 68 because you multiply 17 by 8 then divide in half.

Decomposition of the trapezoid to find the area. You first need to separate the parts of the trapezoid that make a triangles. Ex: separate the outer parts so that you're left with triangle/s and a rectangle/square shape in the middle. Find the area of the triangles and the area of the middle square/rectangle and then add that together.

8. 171 I used this formula A=(a+b)h/2  Which is top length+bottom length times height divided by two.

Trapezoid area:

You need to add the top base and the bottom base together then multiply that by the height.

9. 396. I  used the same formula as the last one. which is A=(a+b)h/2.

I hope I could help you :)

Step-by-step explanation:

Answer:

5:2

Step-by-step explanation:

Triangle LMN's base length is 15 and triangle XYZ's base length is 6. Since they are both base lenghts, you can just use those numbers in a ratio and simply.

15:6

Divide both sides by 3 and you get 5:2!

Answer:

5

Step-by-step explanation:

s0 obasically yah

Answer:

add all your data and divide by n.

Step-by-step explanation:

example: 1,2,3 1+2+3=6. 6/3=2 the mean is 2.

Answer:

The mean is the average or the most common value in a collection of numbers. In statistics, it is a measure of central tendency of a probability distribution along median and mode. It is also referred to as an expected value.

Step-by-step explanation:

Mean is an essential concept in mathematics and statistics. The mean is the average or the most common value in a collection of numbers.

How to calculate mean?

There are different ways of measuring the central tendency of a set of values. There are multiple ways to calculate the mean. Here are the two most popular ones:

Arithmetic mean is the total of the sum of all values in a collection of numbers divided by the number of numbers in a collection. It is calculated in the following way:

Answer:

1) 14.4

2)20

Step-by-step explanation:

Answer:

the answer is the fourth one

Step-by-step explanation:

the canaanites practiced polytheism

Answer:

21. D = 5.67(rounded to the hundredths)

R = 2.84(rounded to the hundredths)

22. D = 13.4

C = 42.08(rounded to the hundredths)

23. C = 33.28(rounded to the hundredths)

R = 5.3

24. D = 1

R = 1.57 or pi/2

Step-by-step explanation:

Formula: C/pi = D

D = 2r

pi = 3.14

21. D = 17.8/3.14 = 5.67(rounded to the hundredths)

R = 5.67/2 = 2.84(rounded to the hundredths)

22. D = 6.7*2 = 13.4

C = 13.4 * 3.14 = 42.08 (rounded to the hundredths)

23. C = 10.6 * 3.14 = 33.28(rounded to the hundredths)

R = 10.6/2 = 5.3

24. D = 3.14/3.14 = 1

R = 3.14/2 = 1.57 or pi/2

Answer:

7/20

Step-by-step explanation:

Just multiply the numerators with each other and then multiply the denominators

Step-by-step explanation:

circumference of a circle is

u = 2 pi r

u=440

r=?

solve for r

Answer:

His error is that he calculated it as diameter not radius

Step-by-step explanation:

C=2πr

=2(3.14)(5)

=31.4mm

Please mark as brainliest if answer is right

Have a great day, be safe and healthy  

Thank u  

XD  

Answer:

45%

Step-by-step explanation:

hope it helps,

Answer:

I think the answer is 2.. I'm sorry if its incorrect.

Step-by-step explanation:

Hi

The answer is 50.24in^3

Hope this Helps

(Tell me if my answer is correct)

Answer:

V≈234.57

Step-by-step explanation:

This is the correct answer, try it!

Answer:

7

Step-by-step explanation:

7/8 ×8

=7/8 ×8

= 7 × 8

8 × 1

= 56/8

= 56 ÷ 8

8 ÷ 8

= 7

can i have brainliest

f(x) 6 10 14 18 22

g(x) 1/9 1/3 1 3 9

Answer:

25%

Step-by-step explanation:

MRK ME BRAINLIEST PLZZZZZZZZZZZZZZZ

Answer:

Using two of the points on the line, you can find the slope of the line by finding the rise and the run. The vertical change between two points is called the rise, and the horizontal change is called the run. The slope equals the rise divided by the run: Slope =riserun Slope = rise run .

Step-by-step explanation:

Answer:

Option 3, angle 2 is equal to 37 degrees

Step-by-step explanation:

Angle 2 is on the opposite side of the 37 degree angle, so it is also 37 degrees

Answer: Not enough information is given

Step-by-step explanation:

Data: Angle 4 is 37 degrees

Angle 1 is x degrees

Angle 2 is x degrees

Angle 3 is x degrees

It only shows us that the 1 and 3 or obtuse and 2 is acute

We don't know if the angles are Congruent so we cannot draw a conclusion about the size of any of the other angles

I hope this helps!

Answer:

18

Step-by-step explanation:

Each sandwich will be divided into 6 pieces. 1 sandwich equals 6 pieces, 2 sandwiches equals 12 pieces, so 3 sandwiches equals 18 pieces.

Answer:

It will be 18

Step-by-step explanation:

All you have to do is simple multiplication, 6 times 3 and you get 18

3 sandwiches and 6 pieces each.

Answer:

s = 16

Step-by-step explanation:

[tex]\frac{s}{4} +12=16[/tex]

step 1 subtract 12 from each side

12 - 12 cancels out

16 - 12 = 4

now we have [tex]\frac{s}{4}=4[/tex]

step 2 multiply each side by 4

[tex]\frac{s}{4} *4=s[/tex]

4 * 4 = 16

we're left with s = 16

Answer: This is from 2021.. still need this answer...?

Step-by-step explanation:

Answer:

1200

Step-by-step explanation:

78 ÷ 6.5 = 12 x 100

sales = 1200