2 years ago

Plz help I don’t know the answer

Mathematics

1 answer:

Dahasolnce [82]2 years ago

5 0

Are there options for the answers or not? If there is add the options.

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A sector with a radius of 8 cm has an area of 56pi cm2. What is the central angle measure of the sector in radians?

Maurinko [17]

Answer:

$\frac{7\pi}{4}$ .

Step-by-step explanation:

Given information:

Radius of circle = 8 cm

Area of sector = $56\pi\text{ cm}^2$

Formula for area of sector is

$A=\dfrac{1}{2}\theta r^2$

where, r is radius and $\theta$ is central angle in radian.

Substitute $A=56\pi$ and r=8 in the above formula.

$56\pi=\dfrac{1}{2}\theta (8)^2$

$56\pi=\dfrac{64}{2}\theta$

$56\pi=32\theta$

$\dfrac{56\pi}{32}=\theta$

$\dfrac{7\pi}{4}=\theta$

Therefore, the measure of the sector in radians is $\frac{7\pi}{4}$ .

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2 years ago

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OlgaM077 [116]

Answer:

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1 year ago

Solve.<br> 3 - 2 | 2-5 | + 3

expeople1 [14]

$3-2\left|2-5\left|+3\right\\= -23$

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PLZ HELP BRAIN FAM!!!

RideAnS [48]

It would be 7.45 since the -3.05 and the -9.5 together would equal -12.55 which subtracted from 20 would equal 7.45

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Find the area of the parallelogram. The figure is not drawn to scale.

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1330 in.

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