3 years ago

Pls anwser quick! I will give brainliest!

Mathematics

1 answer:

erastova [34]3 years ago

6 0

Answer:

hi the image is blocked for me can you cha t me the question im not trying to give an incorrect answer k :)

Step-by-step explanation:

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Determine the angle at the centre of a circle with radius 12.0 cm for an arc length of of 21.0 cm.

nata0808 [166]

Answer:

$\theta=\dfrac{7}{4}\ \text{radian}$

Step-by-step explanation:

We have,

Radius of the circle is 12 cm

Arc length, l = 21 cm

It is required to find the central angle of the circle. The formula for the length of an arc of a circle is :

$l=r\times \theta$

$\theta$ is central angle

$\theta=\dfrac{l}{r}\\\\\theta=\dfrac{21}{12}\\\\\theta=\dfrac{7}{4}\ \text{radian}$

So, the angle at the centre of the circle is $\dfrac{7}{4}\ \text{radian}$ .

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krok68 [10]

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Step-by-step explanation:

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2 years ago

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