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lions [1.4K]
3 years ago
12

How long is the arc intersected by a central angle of pi/3 in a circle with a radius of 6 ft? Round your answer to the nearest t

enth. Pls help
a. 1.0 ft
b. 5.7 ft
c. 6.3 ft
d. 7.0 ft
Mathematics
2 answers:
Sidana [21]3 years ago
8 0
I think c or d is one of the answers
lana [24]3 years ago
6 0

Answer: c. 6.3 ft

Explanation:

Since, the length or an arc = r\times \theta , where r is the radius of the circle, and \theta is the central angle made by the arc.

Here, radius of the circle = 6 ft.  

And,\theta= \frac{\pi}{3}

Thus, the length of the arc= 6\times \frac{\pi}{3} = 6\times\frac{22}{21} = 6.28571429 ≈6.3 ft

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a kite and its tail total 36ft in length. the tail is five times the length of the body. how long is the kite's tail?
jasenka [17]
Kite = x 
<span>Tail = 5x </span>

<span>5x + x = 36 </span>
<span>6x = 36 </span>
<span>x = 6 </span>

<span>5x = 5*6 = 30 </span>

<span>The kite's tail is 30 ft <-----</span>
5 0
3 years ago
Read 2 more answers
Is 1/6 a rational number or a integer number
ss7ja [257]

Answer:

  • <em><u>1/6 is a rational number</u></em>

Explanation:

The <em>integer numbers</em> are not fractions. Integer numbers are the whole numbers (1, 2, 3, 4, 5, ...) which are positive, and their negatives (-1, -2, -3, -4, -5, ...). Zero is also included in the set of the integer numbers, so they are:

  • . . . , - 5, - 4, - 3, - 2, - 1, 0, 1, 2, 3, 4, 5, . . .

The fractions are rational numbers. Per definition a rational number is the ratio of two integer numbers.

The rational numbers include the integer numbers but is a bigger set, i.e. every integer number is a rational number but not every rational numbers are integer. So, 1/6 is an example of an rational number that is not an integer number.

Any fraction that can be simplified to an integer number is an integer (and also a rational number); any fraction that cannot be simplified to an integer is a rational number but not an integer.

7 0
3 years ago
Find the area of the regular polygon 7 in​
nata0808 [166]

Ummmm that’s a triangle but I guess I’ll solve for both 7x7= 49/2= 24.5 triangle. Polygon is different but I guess if the perimeter and line to the center is both 7 okay 7x5= 35x7= 245/2= 122.5 cause triangle is wxL /2 and polygon is AxP/2 soooo I hope this helped

4 0
3 years ago
Find the area of the shape shown below.<br> 2<br> 6<br> 2<br> 2<br> units
kherson [118]

Answer:

12

Step-by-step explanation:

triangle on left= 2 cuz 2 times 2=4 /2 =2

and same thing with right

then middle it just 2 times 2

ALWAYS REMEMBER DIVIDE THE TRIANGLES BY 2

5 0
3 years ago
If triangle ABC is dilated by a scale factor of 2 with a dilation center of A, what will be the coordinates of point b’?
mojhsa [17]

Answer:


In the given figure the sides of triangle measures as follows:


AB= 4 units,


BC= 6 units,


Since triangle ABC is right angled triangle, to find AC we will have to use Pythagorean theorem,


AB² + BC² = AC²


Plugging the values of AB and BC to find AC,


4² + 6² = AC²


16+36=AC²


AC = 7.48


Now if the triangle is dilated by a scale factor of 2, each side will be multiplied by 2 to get the new triangle A'B'C'


side A'B' = 2* AB = 2*4= 8 units


side B'C' = 2* BC = 2*6 =12 units


side A'C' = 2*AC = 2*7.48 = 14.96 units


Perimeter of triangle = sum of three sides


Perimeter of triangle A'B'C' = A'B' + B'C' + A'C'= 8+12 + 14.96 = 34.96 units.


Perimeter of triangle ABC = AB+BC + AC = 4+6+7.48 = 17.48 units.


Perimeter of triangle A'B'C' = 2* Perimeter of triangle ABC


The perimeter of new triangle A'B'C' is 34.96 units which is twice that of triangle ABC.


Answer : A) The perimeter of A'B'C' is 2 times the perimeter of ABC.



8 0
4 years ago
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