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V125BC [204]
3 years ago
8

Find the circumference of a circle with an area of 676pi

Mathematics
2 answers:
saveliy_v [14]3 years ago
6 0

Answer:

The circumference of the circle is 52π

Step-by-step explanation:

To solve this exercise we first have to calculate the radius of the circle, for this we will use the formula of area of ​​a circle and we will clear the radius

a = area = 676π

r = radius

a = π * r²

we clear r

r = √(a/π)

now we replace the known values

r =  √(676π/π)

r = √(676)

r = 26

now we use the formula to calculate the circumference of a circle

c = π * 2r

c = π * 2 *  26

c = 52π

The circumference of the circle is 52π

aniked [119]3 years ago
5 0

Answer:

area =676π

area=πrsq.=676π

then pie cut to pie

and rsq. =676

and 676is the root of 26

circumference of circle is 2πr

r=26

2×22/7×26

then answer is 163.4

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ss7ja [257]

Answer:

<em>The correct option is:  82°</em>

Step-by-step explanation:

In the given diagram, two chords RT and SU are intersecting.

According to the <u>Angle of intersecting chord theorem</u>, "<em>If two chords intersect inside a circle, then the measure of the angle formed is one half the sum of the measure of the arcs intercepted by the angle and its vertical angle</em>."

That means here......

94\°=\frac{1}{2}(m\widehat{RS}+m\widehat{TU})\\ \\ 94\°=\frac{1}{2}(106\°+m\widehat{TU})\\ \\ 2(94\°)=106\°+m\widehat{TU}\\ \\ 188\°=106\°+m\widehat{TU}\\ \\ m\widehat{TU}=188\°-106\°=82\°

So, the measure of arc TU is 82°

5 0
3 years ago
Zahra plans to draw a triangle with angles measuring 50, 60, and 70. Which is true about Zahra’s plan?
andriy [413]
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8 0
3 years ago
Read 2 more answers
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bonufazy [111]

Answer:

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Step-by-step explanation:

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nignag [31]
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