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Nostrana [21]
2 years ago
5

The circumference C of a circle is found with the formula C=2(3.415)r​

Mathematics
2 answers:
Serga [27]2 years ago
7 0

Answer:

You are correct! :)

Extra tip:

It can also be written like 'C = 2πr' and that works just as well!

Tems11 [23]2 years ago
4 0

Answer:

circumference=2πr formula 2×22/7×r

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A quadrilateral has angles measuring 105°,80°and 45°.What is the measure of the fouth angle?​
valentina_108 [34]

The measurement of fourth angle is: 130°

Further explanation:

Let A, B, C and D be the four angles.

m∠A=105°

m∠B=80°

m∠C=45°

We know that the sum of interior angles of a quadrilateral is 360°

So,

m∠A+m∠B+m∠C+m∠D=360°

105°+80°+45°+m∠D=360°

230°+m∠D=360°

m∠D=360°-230°

m∠D=130°

The measurement of fourth angle is: 130°

Keywords: Quadrilateral, Interior angles

Learn more about quadrilateral at:

  • brainly.com/question/5528742
  • brainly.com/question/5527192

#LearnwithBrainly

3 0
3 years ago
The function for the cost of materials to make a hat is f(x)=1/2 x+1 where x is the number of hats. The function for the selling
il63 [147K]
I hope this helps you

5 0
3 years ago
HELP PLEASE BE QUICK
SVEN [57.7K]

Answer:

8

Step-by-step explanation:

<u>Area of a circle = πr^2</u>

64π / π = πr^2 / π

sqrt(64) = sqrt(r^2)

8 = r

Answer:  8

3 0
3 years ago
3.2 divided by 64 round to the nearest tenth. Please and thanks.
AysviL [449]
3.2/64 is .05 rounded to the nearest 10th is .1
4 0
3 years ago
Read 2 more answers
Help due in 30 mins!!!!
tensa zangetsu [6.8K]

Answer:

2)8%

3)= $ 26.46

4)multiply $1.50 and 60%, which will give you 0.9. now multiply $1.50 and 0.9 and that'll give you$1.35. lastly, add $1.50 and $1.35 and that'll give you the answer which is $2.85.

5)15 % of $1580 is $237

6)25%

Step-by-step explanation:

Please mark brainliest

bc i answered all of them

-yasmine

4 0
3 years ago
Read 2 more answers
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