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photoshop1234 [79]
3 years ago
11

A subtending arc on a circle with a radius of 4.5 centimeters has an arc length of 8π. The measure of the angle subtended by the

arc is °.Which angle measure less than or equal to 360° is equivalent to an angle of ?
Mathematics
1 answer:
yarga [219]3 years ago
3 0

Answer:

  320°

Step-by-step explanation:

<u>Part 1</u>

The arc length is given by ...

  s = rθ . . . . . r is the radius, θ is the central angle in radians

We want to find θ, so we can fill in the given values and divide by the coefficient of θ.

  8π = 4.5θ

  θ = 8π/4.5 = 16π/9 . . . radians

Since π radians = 180°, the degree measure of the angle is ...

  θ = (16/9)180° = 320°

The measure of the angle subtended by the arc is 320°.

_____

<u>Part 2</u>

We might be able to help with the second part of the question, but you need to edit to put in the numbers and answer choices.

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Answer:

up 2, right 3

Step-by-step explanation:

up 2, to the right 3.

8 0
2 years ago
Will report you if not answered correctly <br>will mark brainliest.​
olga nikolaevna [1]

there are links so I could not put them in directly  but hope my sticker not helps I tried my best

5 0
2 years ago
Answer choices:
vova2212 [387]
A and T are points. On their own, they cannot define a line. So we can rule out choice A

WCR and TRA are angles. For any triple the points do not fall on the same straight line. So we cannot define any lines here. This crosses off choice B

Choice C is the answer because WC does define a line. We only need two points to form a line. Similarly CR does the same job. We draw a line marker with two arrows at each end to be placed over the letters to indicate "line". 

Choice D is similar to choice D; however, it is not the answer because WT is the same line as WC. In other words, WC = WT. We haven't named a new line at all. We're simply repeating ourselves. 
6 0
3 years ago
Please help me and thank you:)
sashaice [31]
Okay. For these types of problems, you must do order of operations (PEMDAS). Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction. Mind you that you do these steps from left to right, and multiplication and division is done from left to right. Same thing with addition and subtraction. With that being said, here are your answers if you do the expressions correctly.

1. 12

2. 106

3. 42
4 0
3 years ago
3y2 + 2xy + 1 + 3x + y + 2x2​
meriva

Answer:

Simplified, it would be 2x^2+2xy+3y^2+3x+y+1 so that's your answer.

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3 years ago
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